| FinalID | CommonName | Phylum | Subphylum | Superclass | Class | Subclass | Superorder | Order | Suborder | Superfamily | Family | Subfamily | Tribe | GenusComplex | Genus | SpeciesComplex | Species | Subspecies | Variety | TaxonomicAuthority | FinalIDAuthority | Source |
| Actinastrum | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Actinastrum | | | | | | CAD_TWG | CSUSM |
| Actinastrum cf hantzschii | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Actinastrum | | Actinastrum cf hantzschii | | | Lagerh. | CAD_TWG | CSUSM |
| Actinastrum hantzschii | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Actinastrum | | Actinastrum hantzschii | | | Lagerh. | CAD_TWG | CSUSM |
| Actinotaenium | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Desmidiaceae | | | | Actinotaenium | | | | | | CAD_TWG | CSUSM |
| Actinotaenium colpopelta f minus | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Desmidiaceae | | | | Actinotaenium | | Actinotaenium colpopelta | | Actinotaenium colpopelta f minus | (West) Compere | CAD_TWG | CSUSM |
| Actinotaenium cruciferum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Desmidiaceae | | | | Actinotaenium | | Actinotaenium cruciferum | | | (De Bary) Teiling | CAD_TWG | CSUSM |
| Anabaena | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | | | | | CAD_TWG | NAU |
| Anabaena aequalis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena aequalis | | | Borge | CAD_TWG | CSUSM |
| Anabaena californica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena californica | | | Borge | CAD_TWG | CSUSM |
| Anabaena catenula | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena catenula | | | Kutz. ex Bornet & Flahault | CAD_TWG | CSUSM |
| Anabaena cf aequalis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf aequalis | | | Borge | CAD_TWG | CSUSM |
| Anabaena cf californica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf californica | | | Borge | CAD_TWG | CSUSM |
| Anabaena cf cylindrica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf cylindrica | | | Lemmerm. | CAD_TWG | CSUSM |
| Anabaena cf felisii | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf felisii | | | (Menegh.) Bornet et Flahault | CAD_TWG | CSUSM |
| Anabaena cf inaequalis | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf inaequalis | | | (Kutz.) Bornet et Flahault | CAD_TWG | CSUSM |
| Anabaena cf iyengarii | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf iyengarii | | | Bharadwaja | CAD_TWG | CSUSM |
| Anabaena cf oscillarioides | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf oscillatorioides | | | Bory ex Bornet et Flahault | CAD_TWG | CSUSM |
| Anabaena cf saaremaaensis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf saaremaaensis | | | Skuja | CAD_TWG | CSUSM |
| Anabaena cf sphaerica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf sphaerica | | | | CAD_TWG | CSUSM |
| Anabaena cf subcylindrica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cf subcylindrica | | | Borge | CAD_TWG | CSUSM |
| Anabaena cylindrica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena cylindrica | | | Lemmerm. | CAD_TWG | CSUSM |
| Anabaena felisii | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena felisii | | | (Menegh.) Bornet et Flahault | CAD_TWG | CSUSM |
| Anabaena inaequalis | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena inaequalis | | | (Kutz.) Bornet et Flahault | CAD_TWG | CSUSM |
| Anabaena oscillarioides | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena oscillatorioides | | | Bory ex Bornet et Flahault | CAD_TWG | CSUSM |
| Anabaena portoricensis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena portoricensis | | | N. L. Gardner | CAD_TWG | CSUSM |
| Anabaena rhodopensis | | Cyanobacteria | | | Cyanophyceae | Nostocophycidae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena rhodopensis | | | I.K.Kirjakov & K.N.Velichkova | CAD_TWG | CSUSM |
| Anabaena saaremaaensis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena saaremaaensis | | | Skuja | CAD_TWG | CSUSM |
| Anabaena sp 1 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 1 | | | | CAD_TWG | CSUSM |
| Anabaena sp 10 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 10 | | | | CAD_TWG | CSUSM |
| Anabaena sp 11 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 11 | | | | CAD_TWG | CSUSM |
| Anabaena sp 12 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 12 | | | | CAD_TWG | CSUSM |
| Anabaena sp 2 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 2 | | | | CAD_TWG | CSUSM |
| Anabaena sp 4 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 4 | | | | CAD_TWG | CSUSM |
| Anabaena sp 5 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 5 | | | | CAD_TWG | CSUSM |
| Anabaena sp 7 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 7 | | | | CAD_TWG | CSUSM |
| Anabaena sp 8 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 8 | | | | CAD_TWG | CSUSM |
| Anabaena sp 9 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sp 9 | | | | CAD_TWG | CSUSM |
| Anabaena sphaerica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena sphaerica | | | Bornet & Flahault | CAD_TWG | CSUSM |
| Anabaena subcylindrica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaena | | Anabaena subcylindrica | | | Borge | CAD_TWG | CSUSM |
| Anabaenopsis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaenopsis | | | | | | CAD_TWG | CSUSM |
| Anabaenopsis cf elenkinii | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaenopsis | | Anabaenopsis cf elenkinii | | | V.V.Mill. | CAD_TWG | CSUSM |
| Anabaenopsis elenkinii | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Anabaenopsis | | Anabaenopsis elenkinii | | | V.V.Mill. | CAD_TWG | CSUSM |
| Ankistrodesmus | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Ankistrodesmaceae | | | | Ankistrodesmus | | | | | | CAD_TWG | CSUSM |
| Ankistrodesmus cf falcatus | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Ankistrodesmaceae | | | | Ankistrodesmus | | Ankistrodesmus cf falcatus | | | (Corda) Ralfs | CAD_TWG | CSUSM |
| Ankistrodesmus cf fusiformis | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Ankistrodesmaceae | | | | Ankistrodesmus | | Ankistrodesmus cf fusiformis | | | Corda ex Korshikov | CAD_TWG | CSUSM |
| Ankistrodesmus cf spiralis | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Ankistrodesmaceae | | | | Ankistrodesmus | | Ankistrodesmus cf spiralis | | | (W.B.Turner) Lemmerm. | CAD_TWG | CSUSM |
| Ankistrodesmus falcatus | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Ankistrodesmaceae | | | | Ankistrodesmus | | Ankistrodesmus falcatus | | | (Corda) Ralfs | CAD_TWG | CSUSM |
| Ankistrodesmus fusiformis | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Ankistrodesmaceae | | | | Ankistrodesmus | | Ankistrodesmus fusiformis | | | Corda ex Korshikov | CAD_TWG | CSUSM |
| Ankistrodesmus spiralis | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Ankistrodesmaceae | | | | Ankistrodesmus | | Ankistrodesmus spiralis | | | (W.B.Turner) Lemmerm. | CAD_TWG | CSUSM |
| Apatococcus | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Apatococcus | | | | | | CAD_TWG | CSUSM |
| Apatococcus cf lobatus | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Apatococcus | | Apatococcus cf lobatus | | | (Chodat) J.B.Petersen | CAD_TWG | CSUSM |
| Apatococcus lobatus | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Apatococcus | | Apatococcus lobatus | | | (Chodat) J.B.Petersen | CAD_TWG | CSUSM |
| Apatococcus sp 1 | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Apatococcus | | Apatococcus sp 1 | | | | CAD_TWG | CSUSM |
| Aphanizomenon | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Nostocaceae | | | | Aphanizomenon | | | | | | CAD_TWG | CSUSM |
| Aphanizomenon flos-aquae | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Nostocaceae | | | | Aphanizomenon | | Aphanizomenon flos-aquae | | | Ralfs ex Bornet & Flahault | CAD_TWG | MPSL-MLML |
| Aphanocapsa | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | | | | | CAD_TWG | CSUSM |
| Aphanocapsa cf delicatissima | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf delicatissima | | | W. West et G.S. West | CAD_TWG | CSUSM |
| Aphanocapsa cf elachista | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf elachista | | | W. West et G.S. West | CAD_TWG | CSUSM |
| Aphanocapsa cf grevillei | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf grevillei | | | (Hassall) Rabenh. | CAD_TWG | CSUSM |
| Aphanocapsa cf holsatica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf holsatica | | | (Lemmerm.) Cronberg et Komarek | CAD_TWG | CSUSM |
| Aphanocapsa cf hyalina | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf hyalina | | | (Lyngb.) Hansg. | CAD_TWG | CSUSM |
| Aphanocapsa cf incerta | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf incerta | | | (Lemmerm.) Cronberg et Komarek | CAD_TWG | CSUSM |
| Aphanocapsa cf parasitica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf parasitica | | | (Kutz.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Aphanocapsa cf planctonica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf planctonica | | | (G.M.Sm.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Aphanocapsa cf rivularis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa cf rivularis | | | (Carmicheal) Rabenh. | CAD_TWG | CSUSM |
| Aphanocapsa delicatissima | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa delicatissima | | | W. West et G.S. West | CAD_TWG | CSUSM |
| Aphanocapsa elachista | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa elachista | | | W. West et G.S. West | CAD_TWG | CSUSM |
| Aphanocapsa grevillei | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa grevillei | | | (Hassall) Rabenh. | CAD_TWG | CSUSM |
| Aphanocapsa holsatica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa holsatica | | | (Lemmerm.) Cronberg et Komarek | CAD_TWG | CSUSM |
| Aphanocapsa hyalina | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa hyalina | | | (Lyngb.) Hansg. | CAD_TWG | CSUSM |
| Aphanocapsa incerta | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa incerta | | | (Lemmerm.) Cronberg et Komarek | CAD_TWG | CSUSM |
| Aphanocapsa parasitica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa parasitica | | | (Kutz.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Aphanocapsa planctonica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa planctonica | | | (G.M.Sm.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Aphanocapsa rivularis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa rivularis | | | (Carmicheal) Rabenh. | CAD_TWG | CSUSM |
| Aphanocapsa sp 1 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Merismopedioideae | | | Aphanocapsa | | Aphanocapsa sp 1 | | | | CAD_TWG | CSUSM |
| Aphanochaete | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Aphanochaetaceae | | | | Aphanochaete | | | | | | CAD_TWG | CSUSM |
| Aphanochaete cf polychaete | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Aphanochaetaceae | | | | Aphanochaete | | Aphanochaete cf polychaete | | | (Hansg.) F.E.Fritsch | CAD_TWG | CSUSM |
| Aphanochaete cf repens | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Aphanochaetaceae | | | | Aphanochaete | | Aphanochaete cf repens | | | A. Braun | CAD_TWG | CSUSM |
| Aphanochaete polychaete | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Aphanochaetaceae | | | | Aphanochaete | | Aphanochaete polychaete | | | (Hansg.) F.E.Fritsch | CAD_TWG | CSUSM |
| Aphanochaete repens | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Aphanochaetaceae | | | | Aphanochaete | | Aphanochaete repens | | | A. Braun | CAD_TWG | CSUSM |
| Aphanothece | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | | | | | CAD_TWG | CSUSM |
| Aphanothece caldariorum | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece caldariorum | | | Richter | CAD_TWG | CSUSM |
| Aphanothece cf caldariorum | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf caldariorum | | | Richter | CAD_TWG | CSUSM |
| Aphanothece cf clathrata | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf clathrata | | | W. West et G.S. West | CAD_TWG | CSUSM |
| Aphanothece cf elabens | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf elabens | | | (Breb.) Elenkin | CAD_TWG | CSUSM |
| Aphanothece cf floccosa | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf floccosa | | | (Zalessky) Cronberg et Komarek | CAD_TWG | CSUSM |
| Aphanothece cf minutissima | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf minutissima | | | (W.West) Komarkova-Legnerova et Cronberg | CAD_TWG | CSUSM |
| Aphanothece cf nebulosa | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf nebulosa | | | Skuja | CAD_TWG | CSUSM |
| Aphanothece cf nidulans | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf nidulans | | | Richter | CAD_TWG | CSUSM |
| Aphanothece cf saxicola | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf saxicola | | | Nageli | CAD_TWG | CSUSM |
| Aphanothece cf stagnina | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece cf stagnina | | | (Spreng.) A. Braun | CAD_TWG | CSUSM |
| Aphanothece clathrata | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece clathrata | | | W. West et G.S. West | CAD_TWG | CSUSM |
| Aphanothece elabens | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece elabens | | | (Breb.) Elenkin | CAD_TWG | CSUSM |
| Aphanothece floccosa | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece floccosa | | | (Zalessky) Cronberg et Komarek | CAD_TWG | CSUSM |
| Aphanothece minutissima | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece minutissima | | | (W.West) Komarkova-Legnerova et Cronberg | CAD_TWG | CSUSM |
| Aphanothece nebulosa | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece nebulosa | | | Skuja | CAD_TWG | CSUSM |
| Aphanothece nidulans | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece nidulans | | | Richter | CAD_TWG | CSUSM |
| Aphanothece saxicola | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece saxicola | | | Nageli | CAD_TWG | CSUSM |
| Aphanothece sp 1 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece sp 1 | | | | CAD_TWG | CSUSM |
| Aphanothece stagnina | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Aphanothecoideae | | | Aphanothece | | Aphanothece stagnina | | | (Spreng.) A. Braun | CAD_TWG | CSUSM |
| Apiocystis | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Tetrasporaceae | | | | Apiocystis | | | | | | CAD_TWG | CSUSM |
| Apiocystis brauniana | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Tetrasporaceae | | | | Apiocystis | | Apiocystis brauniana | | | Nageli | CAD_TWG | CSUSM |
| Apiocystis cf brauniana | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Tetrasporaceae | | | | Apiocystis | | Apiocystis cf brauniana | | | Nageli | CAD_TWG | CSUSM |
| Arthrospira | | Cyanobacteria | | | Cyanophyceae | | | Oscillatoriales | | | Phormidiaceae | Phormidioideae | | | Arthrospira | | | | | | CAD_TWG | CSUSM |
| Asterococcus | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Palmellopsidaceae | | | | Asterococcus | | | | | | CAD_TWG | CSUSM |
| Asterococcus cf limneticus | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Palmellopsidaceae | | | | Asterococcus | | Asterococcus cf limneticus | | | G.M. Sm. | CAD_TWG | CSUSM |
| Asterococcus limneticus | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Palmellopsidaceae | | | | Asterococcus | | Asterococcus limneticus | | | G.M. Sm. | CAD_TWG | CSUSM |
| Asterococcus sp 1 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Palmellopsidaceae | | | | Asterococcus | | Asterococcus sp 1 | | | | CAD_TWG | CSUSM |
| Audouinella | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Acrochaetiales | | | Acrochaetiaceae | | | | Audouinella | | | | | | CAD_TWG | CSUSM |
| Audouinella cf hermannii | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Acrochaetiales | | | Acrochaetiaceae | | | | Audouinella | | Audouinella cf hermannii | | | (Roth) Duby | CAD_TWG | CSUSM |
| Audouinella hermannii | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Acrochaetiales | | | Acrochaetiaceae | | | | Audouinella | | Audouinella hermannii | | | (Roth) Duby | CAD_TWG | CSUSM |
| Bacularia | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Synechococcoideae | | | Bacularia | | | | | | CAD_TWG | CSUSM |
| Bacularia cf vermicularis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Synechococcoideae | | | Bacularia | | Bacularia cf vermicularis | | | (Fedorov) Komarek et Anagn. | CAD_TWG | CSUSM |
| Bacularia sp 1 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Synechococcoideae | | | Bacularia | | Bacularia sp 1 | | | | CAD_TWG | CSUSM |
| Bacularia sp 2 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Synechococcoideae | | | Bacularia | | Bacularia sp 2 | | | | CAD_TWG | CSUSM |
| Bacularia vermicularis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Synechococcaceae | Synechococcoideae | | | Bacularia | | Bacularia vermicularis | | | (Fedorov) Komarek et Anagn. | CAD_TWG | CSUSM |
| Balbiania investiens | | Rhodophyta | | | Florideophyceae | | | Balbianiales | | | Balbianiaceae | | | | Balbiania | | Balbiania investiens | | | (Lenormand ex Kutz.) Sirodot | CAD_TWG | CSUSM |
| Batrachospermales | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Batrachospermum | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Batrachospermaceae | | | | Sheathia | | | | | | CAD_TWG | CSUSM |
| Batrachospermum cf gelatinosum | | Rhodophyta | Eurhodophytina | | Florideophyceae | | | Batrachospermales | | | Batrachospermaceae | | | | Batrachospermum | | Batrachospermum cf gelatinosum | | | (L.) DC. | CAD_TWG | CSUSM |
| Batrachospermum gelatinosum | | Rhodophyta | Eurhodophytina | | Florideophyceae | | | Batrachospermales | | | Batrachospermaceae | | | | Batrachospermum | | Batrachospermum gelatinosum | | | (L.) DC. | CAD_TWG | CSUSM |
| Batrachospermum sp 1 | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Batrachospermaceae | | | | Batrachospermum | | Batrachospermum sp 1 | | | | CAD_TWG | CSUSM |
| Binuclearia | | Chlorophyta | | | Ulvophyceae | | | Ulotrichales | | | Gloeotilaceae | | | | Binuclearia | | | | | | CAD_TWG | CSUSM |
| Binuclearia cf tatrana | | Chlorophyta | | | Ulvophyceae | | | Ulotrichales | | | Gloeotilaceae | | | | Binuclearia | | Binuclearia cf tatrana | | | Wittr. | CAD_TWG | CSUSM |
| Binuclearia tatrana | | Chlorophyta | | | Ulvophyceae | | | Ulotrichales | | | Gloeotilaceae | | | | Binuclearia | | Binuclearia tatrana | | | Wittr. | CAD_TWG | CSUSM |
| Blidingia minima | | Chlorophyta | | | Ulvophyceae | | | Ulvales | | | Kornmanniaceae | | | | Blidingia | | Blidingia minima | | | (Nageli ex Kutzing) Kylin | CAD_TWG | CSUSM |
| Botryococcus braunii | | Chlorophyta | | | Trebouxiophyceae | | | Trebouxiales | | | Botryococcaceae | | | | Botryococcus | | Botryococcus braunii | | | Kutzing | CAD_TWG | CSUSM |
| Botryosphaerella | | Chlorophyta | | | Chlorophyceae | | | Chlorophyceae incertae sedis | | | Chlorophyceae familia incertae sedis | | | | Botryosphaerella | | | | | | CAD_TWG | CSUSM |
| Botryosphaerella sudetica | | Chlorophyta | | | Chlorophyceae | | | Chlorophyceae incertae sedis | | | Chlorophyceae familia incertae sedis | | | | Botryosphaerella | | Botryosphaerella sudetica | | | (Lemmerm.) P.C.Silva | CAD_TWG | CSUSM |
| Brachynema | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Hyellaceae | Podocapsoideae | | | Ercegovicia | | | | | | CAD_TWG | CSUSM |
| Bulbochaete | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | | | | | CAD_TWG | NAU |
| Bulbochaete brebissonii | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete brebissonii | | | Kutz. ex Hirn | CAD_TWG | CSUSM |
| Bulbochaete cf borelis | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete cf borelis | | | Wittr. ex Hirn | CAD_TWG | CSUSM |
| Bulbochaete cf brebissonii | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete cf brebissonii | | | Kutz. ex Hirn | CAD_TWG | CSUSM |
| Bulbochaete cf mirabilis | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete cf mirabilis | | | Wittr. | CAD_TWG | CSUSM |
| Bulbochaete cf nana | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete cf nana | | | Wittr. ex Hirn | CAD_TWG | CSUSM |
| Bulbochaete cf sessilis | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete cf sessilis | | | Wittr. ex Hirn | CAD_TWG | CSUSM |
| Bulbochaete mirabilis | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete mirabilis | | | Wittr. | CAD_TWG | CSUSM |
| Bulbochaete sp 1 | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete sp 1 | | | | CAD_TWG | CSUSM |
| Bulbochaete sp 2 | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete sp 2 | | | | CAD_TWG | CSUSM |
| Bulbochaete sp 3 | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete sp 3 | | | | CAD_TWG | CSUSM |
| Bulbochaete sp 4 | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete sp 4 | | | | CAD_TWG | CSUSM |
| Bulbochaete sp 5 | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete sp 5 | | | | CAD_TWG | CSUSM |
| Bulbochaete sp 6 | | Chlorophyta | | | Chlorophyceae | | | Oedogoniales | | | Oedogoniaceae | | | | Bulbochaete | | Bulbochaete sp 6 | | | | CAD_TWG | CSUSM |
| Bumilleria | | Ochrophyta | | | Xanthophyceae | | | Tribonematales | | | Tribonemataceae | | | | Bumilleria | | | | | | CAD_TWG | CSUSM |
| Bumilleria sp 1 | | Ochrophyta | | | Xanthophyceae | | | Tribonematales | | | Tribonemataceae | | | | Bumilleria | | Bumilleria sp 1 | | | | CAD_TWG | CSUSM |
| Calothrix | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | | | | | CAD_TWG | CSUSM |
| Calothrix atricha | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix atricha | | | Fremy | CAD_TWG | CSUSM |
| Calothrix breviarticulata | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix breviarticulata | | | W.West et G.S.West | CAD_TWG | CSUSM |
| Calothrix brevissima | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix brevissima | | | G.S.West | CAD_TWG | CSUSM |
| Calothrix cf atricha | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf atricha | | | Fremy | CAD_TWG | CSUSM |
| Calothrix cf breviarticulata | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf breviarticulata | | | W.West et G.S.West | CAD_TWG | CSUSM |
| Calothrix cf brevissima | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf brevissima | | | G.S.West | CAD_TWG | CSUSM |
| Calothrix cf clavata | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf clavata | | | G.S.West | CAD_TWG | CSUSM |
| Calothrix cf confervicola | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf confervicola | | | C.Agardh ex Bornet & Flahault | CAD_TWG | CSUSM |
| Calothrix cf epiphytica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf epiphytica | | | W.West et G.S.West | CAD_TWG | CSUSM |
| Calothrix cf fusca | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf fusca | | | (Kutz.) Bornet et Flahault | CAD_TWG | CSUSM |
| Calothrix cf kossinskajae | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf kossinskajae | | | Poljanski | CAD_TWG | CSUSM |
| Calothrix cf linearis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf linearis | | | Gardner | CAD_TWG | CSUSM |
| Calothrix cf marchica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf marchica | | | Lemmerm. | CAD_TWG | CSUSM |
| Calothrix cf parietina | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf parietina | | | (Nageli) Thur. | CAD_TWG | CSUSM |
| Calothrix cf pulvinata | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf pulvinata | | | (Mert.) C.Agardh | CAD_TWG | CSUSM |
| Calothrix cf scytonemicola | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf scytonemicola | | | Tilden | CAD_TWG | CSUSM |
| Calothrix cf stagnalis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf stagnalis | | | Gomont | CAD_TWG | CSUSM |
| Calothrix cf wembaerensis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix cf wembaerensis | | | Hieron. & Schmidle | CAD_TWG | CSUSM |
| Calothrix clavata | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix clavata | | | G.S.West | CAD_TWG | CSUSM |
| Calothrix confervicola | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix confervicola | | | C.Agardh ex Bornet & Flahault | CAD_TWG | CSUSM |
| Calothrix epiphytica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix epiphytica | | | W.West et G.S.West | CAD_TWG | CSUSM |
| Calothrix fusca | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix fusca | | | (Kutz.) Bornet et Flahault | CAD_TWG | CSUSM |
| Calothrix fusca f parva | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix fusca | | Calothrix fusca f parva | (Ercegovic) Poljansky | CAD_TWG | CSUSM |
| Calothrix kossinskajae | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix kossinskajae | | | Poljanski | CAD_TWG | CSUSM |
| Calothrix linearis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix linearis | | | Gardner | CAD_TWG | CSUSM |
| Calothrix lineata | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix lineata | | | | CAD_TWG | CSUSM |
| Calothrix marchica | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix marchica | | | Lemmerm. | CAD_TWG | CSUSM |
| Calothrix parietina | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix parietina | | | (Nageli) Thur. | CAD_TWG | CSUSM |
| Calothrix pulvinata | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix pulvinata | | | (Mert.) C.Agardh | CAD_TWG | CSUSM |
| Calothrix scytonemicola | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix scytonemicola | | | Tilden | CAD_TWG | CSUSM |
| Calothrix sp 1 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 1 | | | | CAD_TWG | CSUSM |
| Calothrix sp 2 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 2 | | | | CAD_TWG | CSUSM |
| Calothrix sp 3 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 3 | | | | CAD_TWG | CSUSM |
| Calothrix sp 4 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 4 | | | | CAD_TWG | CSUSM |
| Calothrix sp 5 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 5 | | | | CAD_TWG | CSUSM |
| Calothrix sp 6 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 6 | | | | CAD_TWG | CSUSM |
| Calothrix sp 7 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 7 | | | | CAD_TWG | CSUSM |
| Calothrix sp 8 | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix sp 8 | | | C.Agardh ex Bornet & Flahault | CAD_TWG | CSUSM |
| Calothrix stagnalis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix stagnalis | | | Gomont | CAD_TWG | CSUSM |
| Calothrix wembaerensis | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Rivulariaceae | | | | Calothrix | | Calothrix wembaerensis | | | Hieron. & Schmidle | CAD_TWG | CSUSM |
| Capsosira | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Stigonemataceae | | | | Capsosira | | | | | | CAD_TWG | CSUSM |
| Capsosira brebissonii | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Stigonemataceae | | | | Capsosira | | Capsosira brebissonii | | | Kutz. ex Bornet et Flahault | CAD_TWG | CSUSM |
| Capsosira cf brebissonii | | Cyanobacteria | | | Cyanophyceae | | | Nostocales | | | Stigonemataceae | | | | Capsosira | | Capsosira cf brebissonii | | | Kutz. ex Bornet et Flahault | CAD_TWG | CSUSM |
| Carteria | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Carteria | | | | | | CAD_TWG | CSUSM |
| Carteria cf klebsii | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Carteria | | Carteria cf klebsii | | | (P.A.Dang.) France | CAD_TWG | CSUSM |
| Carteria klebsii | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Carteria | | Carteria klebsii | | | (P.A.Dang.) France | CAD_TWG | CSUSM |
| Carteria sp 1 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Carteria | | Carteria sp 1 | | | | CAD_TWG | CSUSM |
| Carteria sp 2 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Carteria | | Carteria sp 2 | | | | CAD_TWG | CSUSM |
| Ceratium | | Miozoa | | | Dinophyceae | Peridiniphycidae | | Gonyaulacales | | | Ceratiaceae | | | | Ceratium | | | | | | CAD_TWG | CSUSM |
| Ceratium cf hirundinella | | Miozoa | | | Dinophyceae | | | Gonyaulacales | | | Ceratiaceae | | | | Ceratium | | Ceratium cf hirundinella | | | (O.F.Mull.) Dujard. | CAD_TWG | CSUSM |
| Ceratium hirundinella | | Miozoa | | | Dinophyceae | | | Gonyaulacales | | | Ceratiaceae | | | | Ceratium | | Ceratium hirundinella | | | (O.F.Mull.) Dujard. | CAD_TWG | CSUSM |
| Chadefaudiothrix | | Ochrophyta | | | Xanthophyceae | | | Tribonematales | | | Tribonemataceae | | | | Chadefaudiothrix | | | | | | CAD_TWG | CSUSM |
| Chadefaudiothrix gallica | | Ochrophyta | | | Xanthophyceae | | | Tribonematales | | | Tribonemataceae | | | | Chadefaudiothrix | | Chadefaudiothrix gallica | | | Bourelly | CAD_TWG | CSUSM |
| Chaetophora | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Chaetophoraceae | | | | Chaetophora | | | | | | CAD_TWG | NAU |
| Chaetophora cf elegans | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Chaetophoraceae | | | | Chaetophora | | Chaetophora cf elegans | | | (Roth) C.Agardh | CAD_TWG | CSUSM |
| Chaetophora cf incrassata | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Chaetophoraceae | | | | Chaetophora | | Chaetophora cf incrassata | | | Hazen | CAD_TWG | CSUSM |
| Chaetophora elegans | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Chaetophoraceae | | | | Chaetophora | | Chaetophora elegans | | | (Roth) C.Agardh | CAD_TWG | CSUSM |
| Chaetophora incrassata | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Chaetophoraceae | | | | Chaetophora | | Chaetophora incrassata | | | Hazen | CAD_TWG | CSUSM |
| Chaetophora sp 1 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | Chaetophoraceae | | | | Chaetophora | | Chaetophora sp 1 | | | | CAD_TWG | CSUSM |
| Chaetophorales | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetophorales 1 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetophorales 2 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetophorales 3 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetophorales 4 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetophorales 5 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetophorales 6 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetophorales 7 | | Chlorophyta | | | Chlorophyceae | | | Chaetophorales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chaetosphaeridium | | Charophyta | | | Coleochaetophyceae | | | Chaetosphaeridiales | | | Chaetosphaeridiaceae | | | | Chaetosphaeridium | | | | | | CAD_TWG | CSUSM |
| Chaetosphaeridium cf globosum | | Charophyta | | | Coleochaetophyceae | | | Chaetosphaeridiales | | | Chaetosphaeridiaceae | | | | Chaetosphaeridium | | Chaetosphaeridium cf globosum | | | (Nordst.) Kleb. | CAD_TWG | CSUSM |
| Chaetosphaeridium globosum | | Charophyta | | | Coleochaetophyceae | | | Chaetosphaeridiales | | | Chaetosphaeridiaceae | | | | Chaetosphaeridium | | Chaetosphaeridium globosum | | | (Nordst.) Kleb. | CAD_TWG | CSUSM |
| Chamaesiphon | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | | | | | CAD_TWG | CSUSM |
| Chamaesiphon amethystinus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon amethystinus | | | (Rostaf.) Lemmerm. | CAD_TWG | CSUSM |
| Chamaesiphon cf amethystinus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf amethystinus | | | (Rostaf.) Lemmerm. | CAD_TWG | CSUSM |
| Chamaesiphon cf confervicola | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf confervicola | | | A. Braun | CAD_TWG | CSUSM |
| Chamaesiphon cf incrustans | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf incrustans | | | Grunow | CAD_TWG | CSUSM |
| Chamaesiphon cf investiens | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf investiens | | | Skuja | CAD_TWG | CSUSM |
| Chamaesiphon cf minimus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf minimus | | | Schmidle | CAD_TWG | CSUSM |
| Chamaesiphon cf minutus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf minutus | | | (Rostaf.) Lemmerm. | CAD_TWG | CSUSM |
| Chamaesiphon cf niger | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf niger | | | (Starmach) Golubic | CAD_TWG | CSUSM |
| Chamaesiphon cf polymorphus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf polymorphus | | | Geitler | CAD_TWG | CSUSM |
| Chamaesiphon cf starmachii | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf starmachii | | | Kann | CAD_TWG | CSUSM |
| Chamaesiphon cf subglobosus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon cf subglobosus | | | (Rostaf.) Lemmerm. | CAD_TWG | CSUSM |
| Chamaesiphon confervicola | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon confervicola | | | A. Braun | CAD_TWG | CSUSM |
| Chamaesiphon incrustans | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon incrustans | | | Grunow | CAD_TWG | CSUSM |
| Chamaesiphon investiens | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon investiens | | | Skuja | CAD_TWG | CSUSM |
| Chamaesiphon minimus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon minimus | | | Schmidle | CAD_TWG | CSUSM |
| Chamaesiphon minutus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon minutus | | | (Rostaf.) Lemmerm. | CAD_TWG | CSUSM |
| Chamaesiphon niger | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon niger | | | (Starmach) Golubic | CAD_TWG | CSUSM |
| Chamaesiphon polymorphus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon polymorphus | | | Geitler | CAD_TWG | CSUSM |
| Chamaesiphon sp 1 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon sp 1 | | | | CAD_TWG | CSUSM |
| Chamaesiphon sp 2 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon sp 2 | | | | CAD_TWG | CSUSM |
| Chamaesiphon sp 3 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon sp 3 | | | | CAD_TWG | CSUSM |
| Chamaesiphon starmachii | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon starmachii | | | Kann | CAD_TWG | CSUSM |
| Chamaesiphon subglobosus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Chamaesiphon | | Chamaesiphon subglobosus | | | (Rostaf.) Lemmerm. | CAD_TWG | CSUSM |
| Chantransia | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Lemaneaceae | | | | Chantransia | | | | | | CAD_TWG | CSUSM |
| Chantransia sp 1 | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Lemaneaceae | | | | Chantransia | | Chantransia sp 1 | | | | CAD_TWG | CSUSM |
| Chantransia sp 2 | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Lemaneaceae | | | | Chantransia | | Chantransia sp 2 | | | | CAD_TWG | CSUSM |
| Chantransia sp 3 | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Lemaneaceae | | | | Chantransia | | Chantransia sp 3 | | | | CAD_TWG | CSUSM |
| Chantransia sp 4 | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Lemaneaceae | | | | Chantransia | | Chantransia sp 4 | | | | CAD_TWG | CSUSM |
| Chantransia sp 5 | | Rhodophyta | Eurhodophytina | | Florideophyceae | Rhodymeniophycidae | | Batrachospermales | | | Lemaneaceae | | | | Chantransia | | Chantransia sp 5 | | | | CAD_TWG | CSUSM |
| Chara | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | | | | | CAD_TWG | CSUSM |
| Chara braunii | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara braunii | | | C.C.Gmelin | CAD_TWG | CSUSM |
| Chara cf contraria | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara cf contraria | | | A. Braun ex Kutz. | CAD_TWG | CSUSM |
| Chara cf globularis | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara cf globularis | | | Thuiller | CAD_TWG | CSUSM |
| Chara cf vulgaris | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara cf vulgaris | | | L. | CAD_TWG | CSUSM |
| Chara cf zeylanica | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara cf zeylanica | | | C.L.Willdenow | CAD_TWG | CSUSM |
| Chara contraria | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara contraria | | | A. Braun ex Kutz. | CAD_TWG | CSUSM |
| Chara globularis | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara globularis | | | Thuiller | CAD_TWG | CSUSM |
| Chara sp 1 | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara sp 1 | | | | CAD_TWG | CSUSM |
| Chara vulgaris | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara vulgaris | | | L. | CAD_TWG | CSUSM |
| Chara zeylanica | | Charophyta | | | Charophyceae | | | Charales | | | Characeae | | | | Chara | | Chara zeylanica | | | C.L.Willdenow | CAD_TWG | CSUSM |
| Characiochloris sessilis | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Characiochloridaceae | | | | Characiochloris | | Characiochloris sessilis | | | | CAD_TWG | CSUSM |
| Characiopsis | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | | | | | CAD_TWG | CSUSM |
| Characiopsis cf longipes | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis cf longipes | | | (Rabenh.) Borzi | CAD_TWG | CSUSM |
| Characiopsis cf minor | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis cf minor | | | Pascher | CAD_TWG | CSUSM |
| Characiopsis cf subulata | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis cf subulata | | | (A. Braun) Borzi | CAD_TWG | CSUSM |
| Characiopsis longipes | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis longipes | | | (Rabenh.) Borzi | CAD_TWG | CSUSM |
| Characiopsis minor | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis minor | | | Pascher | CAD_TWG | CSUSM |
| Characiopsis minuta | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis minuta | | | (A. Braun) Borzi | CAD_TWG | CSUSM |
| Characiopsis sp 1 | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis sp 1 | | | | CAD_TWG | CSUSM |
| Characiopsis subulata | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Characiopsis | | Characiopsis subulata | | | (A. Braun) Borzi | CAD_TWG | CSUSM |
| Characium | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Characiaceae | | | | Characium | | | | | Hermann | CAD_TWG | EcoAnalysts |
| Characium ambiguum | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Characiaceae | | | | Characium | | Characium ambiguum | | | Hermann | CAD_TWG | EcoAnalysts |
| Characium pringsheimii | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Characiaceae | | | | Characium | | Characium pringsheimii | | | A.Braun | CAD_TWG | EcoAnalysts |
| Chlamydocapsa | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Palmellopsidaceae | | | | Chlamydocapsa | | | | | | CAD_TWG | CSUSM |
| Chlamydocapsa ampla | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Palmellopsidaceae | | | | Chlamydocapsa | | Chlamydocapsa ampla | | | (Kutz.) Fott | CAD_TWG | CSUSM |
| Chlamydocapsa cf ampla | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Palmellopsidaceae | | | | Chlamydocapsa | | Chlamydocapsa cf ampla | | | (Kutz.) Fott | CAD_TWG | CSUSM |
| Chlamydomonadales 1 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlamydomonadales 2 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlamydomonadopsis | | Chlorophyta | | | Chlorophyceae | | | Tetrasporales | | | Chlorangiellaceae | | | | Chlamydomonadopsis | | | | | | CAD_TWG | CSUSM |
| Chlamydomonadopsis sp 1 | | Chlorophyta | | | Chlorophyceae | | | Tetrasporales | | | Chlorangiellaceae | | | | Chlamydomonadopsis | | Chlamydomonadopsis sp 1 | | | | CAD_TWG | CSUSM |
| Chlamydomonas | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | | | | | CAD_TWG | CSUSM |
| Chlamydomonas ambigua | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas ambigua | | | Gerloff | CAD_TWG | CSUSM |
| Chlamydomonas bicocca | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas bicocca | | | Pascher | CAD_TWG | CSUSM |
| Chlamydomonas cf ambigua | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf ambigua | | | Gerloff | CAD_TWG | CSUSM |
| Chlamydomonas cf bicocca | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf bicocca | | | Pascher | CAD_TWG | CSUSM |
| Chlamydomonas cf debaryana | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf debaryana | | | Gorozh. | CAD_TWG | CSUSM |
| Chlamydomonas cf ehrenbergii | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf ehrenbergii | | | Gorozh. | CAD_TWG | CSUSM |
| Chlamydomonas cf globosa | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf globosa | | | J. Snow | CAD_TWG | CSUSM |
| Chlamydomonas cf reinhardtii | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf reinhardtii | | | P. A. Dang. | CAD_TWG | CSUSM |
| Chlamydomonas cf simplex | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf simplex | | | Pascher | CAD_TWG | CSUSM |
| Chlamydomonas cf snowiae | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf snowiae | | | Printz | CAD_TWG | CSUSM |
| Chlamydomonas cf stellata | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas cf stellata | | | Dill | CAD_TWG | CSUSM |
| Chlamydomonas debaryana | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas debaryana | | | Gorozh. | CAD_TWG | CSUSM |
| Chlamydomonas ehrenbergii | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas ehrenbergii | | | Gorozh. | CAD_TWG | CSUSM |
| Chlamydomonas globosa | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas globosa | | | J. Snow | CAD_TWG | CSUSM |
| Chlamydomonas gloeopara | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas gloeopara | | | Rodhe & Skuja | CAD_TWG | CSUSM |
| Chlamydomonas pila | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas pila | | | Ettl | CAD_TWG | CSUSM |
| Chlamydomonas pseudopertyi | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas pseudopertyi | | | Pascher | CAD_TWG | CSUSM |
| Chlamydomonas reinhardtii | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas reinhardtii | | | P. A. Dang. | CAD_TWG | CSUSM |
| Chlamydomonas simplex | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas simplex | | | Pascher | CAD_TWG | CSUSM |
| Chlamydomonas snowiae | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas snowiae | | | Printz | CAD_TWG | CSUSM |
| Chlamydomonas sp 1 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas sp 1 | | | | CAD_TWG | CSUSM |
| Chlamydomonas sp 2 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas sp 2 | | | | CAD_TWG | CSUSM |
| Chlamydomonas sp 3 | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas sp 3 | | | | CAD_TWG | CSUSM |
| Chlamydomonas stellata | | Chlorophyta | | | Chlorophyceae | | | Chlamydomonadales | | | Chlamydomonadaceae | | | | Chlamydomonas | | Chlamydomonas stellata | | | Dill | CAD_TWG | CSUSM |
| Chlorella | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | | | | | CAD_TWG | CSUSM |
| Chlorella cf emersonii | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella cf emersonii | | | Shihira et Krauss | CAD_TWG | CSUSM |
| Chlorella cf minutissima | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella cf minutissima | | | Fott et Novakova | CAD_TWG | CSUSM |
| Chlorella cf vulgaris | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella cf vulgaris | | | Beij. | CAD_TWG | CSUSM |
| Chlorella emersonii | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella emersonii | | | Shihira et Krauss | CAD_TWG | CSUSM |
| Chlorella minutissima | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella minutissima | | | Fott et Novakova | CAD_TWG | CSUSM |
| Chlorella sp 1 | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella sp 1 | | | | CAD_TWG | CSUSM |
| Chlorella sp 2 | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella sp 2 | | | | CAD_TWG | CSUSM |
| Chlorella sp 5 | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella sp 5 | | | | CAD_TWG | CSUSM |
| Chlorella vulgaris | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Chlorella | | Chlorella vulgaris | | | Beij. | CAD_TWG | CSUSM |
| Chlorogloea | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Entophysalidaceae | Entophysalidoideae | | | Chlorogloea | | | | | | CAD_TWG | CSUSM |
| Chlorogloea cf novacekii | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Entophysalidaceae | Entophysalidoideae | | | Chlorogloea | | Chlorogloea cf novacekii | | | Komarek et G.Montejano | CAD_TWG | CSUSM |
| Chlorogloea cf rivularis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Entophysalidaceae | Entophysalidoideae | | | Chlorogloea | | Chlorogloea cf rivularis | | | (Hansg.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Chlorogloea novacekii | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Entophysalidaceae | Entophysalidoideae | | | Chlorogloea | | Chlorogloea novacekii | | | Komarek et G.Montejano | CAD_TWG | CSUSM |
| Chlorogloea rivularis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Entophysalidaceae | Entophysalidoideae | | | Chlorogloea | | Chlorogloea rivularis | | | (Hansg.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Chlorogloea sp 1 | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Entophysalidaceae | Entophysalidoideae | | | Chlorogloea | | Chlorogloea sp 1 | | | | CAD_TWG | CSUSM |
| Chlorophyta | | Chlorophyta | | | | | | | | | | | | | | | | | | Reichenbach, 1834 | CAD_TWG | EcoAnalysts |
| Chlorophyta 1 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 10 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 11 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 12 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 13 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 14 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 15 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 16 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 17 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 18 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 19 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 20 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 21 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 23 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | EcoAnalysts |
| Chlorophyta 24 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 25 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 26 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 3 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 4 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 5 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 6 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 7 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 8 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorophyta 9 | | Chlorophyta | | | | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chlorosaccus | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Gloeobotrydaceae | | | | Chlorosaccus | | | | | | CAD_TWG | CSUSM |
| Chlorosaccus cf fluidus | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Gloeobotrydaceae | | | | Chlorosaccus | | Chlorosaccus cf fluidus | | | Luther | CAD_TWG | CSUSM |
| Chlorosaccus fluidus | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Gloeobotrydaceae | | | | Chlorosaccus | | Chlorosaccus fluidus | | | Luther | CAD_TWG | CSUSM |
| Chlorotetraedron | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Neochloridaceae | | | | Chlorotetraëdron | | | | | | CAD_TWG | CSUSM |
| Chlorotetraedron cf incus | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Neochloridaceae | | | | Chlorotetraëdron | | Chlorotetraedron cf incus | | | (Teiling) Komarek et Kovacik | CAD_TWG | CSUSM |
| Chlorotetraedron incus | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Neochloridaceae | | | | Chlorotetraëdron | | Chlorotetraedron incus | | | (Teiling) Komarek et Kovacik | CAD_TWG | CSUSM |
| Chroococcidiopsis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcidiopsis | | | | | | CAD_TWG | CSUSM |
| Chroococcidiopsis sp 1 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcidiopsis | | Chroococcidiopsis sp 1 | | | | CAD_TWG | CSUSM |
| Chroococcopsis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | | | | | CAD_TWG | CSUSM |
| Chroococcopsis cf epiphytica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | Chroococcopsis cf epiphytica | | | Geitler | CAD_TWG | CSUSM |
| Chroococcopsis cf fluviatilis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | Chroococcopsis cf fluviatilis | | | (Lagerh.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Chroococcopsis cf gigantea | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | Chroococcopsis cf gigantea | | | Geitler | CAD_TWG | CSUSM |
| Chroococcopsis epiphytica | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | Chroococcopsis epiphytica | | | Geitler | CAD_TWG | CSUSM |
| Chroococcopsis fluviatilis | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | Chroococcopsis fluviatilis | | | (Lagerh.) Komarek et Anagn. | CAD_TWG | CSUSM |
| Chroococcopsis gigantea | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | Chroococcopsis gigantea | | | Geitler | CAD_TWG | CSUSM |
| Chroococcopsis sp 1 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Xenococcaceae | | | | Chroococcopsis | | Chroococcopsis sp 1 | | | | CAD_TWG | CSUSM |
| Chroococcus | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | | | | | CAD_TWG | NAU |
| Chroococcus cf dispersus | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus cf dispersus | | | (Keiss.) Lemmerm. | CAD_TWG | CSUSM |
| Chroococcus cf minimus | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus cf minimus | | | (Keiss.) Lemmerm. | CAD_TWG | CSUSM |
| Chroococcus cf minor | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus cf minor | | | (Kutz.) Nageli | CAD_TWG | CSUSM |
| Chroococcus cf minutus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus cf minutus | | | (Kutz.) Nageli | CAD_TWG | CSUSM |
| Chroococcus cf turgidus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus cf turgidus | | | (Kutz.) Nageli | CAD_TWG | CSUSM |
| Chroococcus cf vacuolatus | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus cf vacuolatus | | | Skuja | CAD_TWG | CSUSM |
| Chroococcus dispersus | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus dispersus | | | (Keiss.) Lemmerm. | CAD_TWG | CSUSM |
| Chroococcus minimus | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus minimus | | | (Keiss.) Lemmerm. | CAD_TWG | CSUSM |
| Chroococcus minor | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus minor | | | (Kutz.) Nageli | CAD_TWG | CSUSM |
| Chroococcus minutus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus minutus | | | (Kutz.) Nageli | CAD_TWG | CSUSM |
| Chroococcus sp 1 | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus sp 1 | | | | CAD_TWG | CSUSM |
| Chroococcus sp 2 | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus sp 2 | | | | CAD_TWG | CSUSM |
| Chroococcus turgidus | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus turgidus | | | (Kutz.) Nageli | CAD_TWG | CSUSM |
| Chroococcus vacuolatus | | Cyanobacteria | | | Cyanophyceae | Oscillatoriophycideae | | Chroococcales | | | Chroococcaceae | | | | Chroococcus | | Chroococcus vacuolatus | | | Skuja | CAD_TWG | CSUSM |
| Chroodactylon | | Rhodophyta | Rhodophytina | | Stylonematophyceae | | | Stylonematales | | | Stylonemataceae | | | | Chroodactylon | | | | | | CAD_TWG | CSUSM |
| Chroodactylon cf ornatum | | Rhodophyta | Rhodophytina | | Stylonematophyceae | | | Stylonematales | | | Stylonemataceae | | | | Chroodactylon | | Chroodactylon cf ornatum | | | (C. Agardh) Basson | CAD_TWG | CSUSM |
| Chroodactylon ornatum | | Rhodophyta | Rhodophytina | | Stylonematophyceae | | | Stylonematales | | | Stylonemataceae | | | | Chroodactylon | | Chroodactylon ornatum | | | (C. Agardh) Basson | CAD_TWG | CSUSM |
| Chroomonadaceae 1 | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | | | | | | | CAD_TWG | CSUSM |
| Chroomonadaceae 2 | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | | | | | | | CAD_TWG | CSUSM |
| Chroomonas | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | | | | | CAD_TWG | CSUSM |
| Chroomonas cf nordstedtii | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas cf nordstedtii | | | Hansg. | CAD_TWG | CSUSM |
| Chroomonas cf pulex | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas cf pulex | | | Pascher | CAD_TWG | CSUSM |
| Chroomonas coerulea | | Cryptophyta | | | Cryptophyceae | | | Cryptomonadales | | | Hemiselmidaceae | | | | Chroomonas | | Chroomonas coerulea | | | | CAD_TWG | EcoAnalysts |
| Chroomonas nordstedtii | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas nordstedtii | | | Hansg. | CAD_TWG | CSUSM |
| Chroomonas pulex | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas pulex | | | Pascher | CAD_TWG | CSUSM |
| Chroomonas sp 1 | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas sp 1 | | | | CAD_TWG | CSUSM |
| Chroomonas sp 2 | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas sp 2 | | | | CAD_TWG | CSUSM |
| Chroomonas sp 3 | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas sp 3 | | | | CAD_TWG | CSUSM |
| Chroomonas sp 4 | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas sp 4 | | | (Hansg.) Senn | CAD_TWG | CSUSM |
| Chroomonas sp 5 | | Cryptophyta | | | Cryptophyceae | | | Pyrenomonadales | | | Chroomonadaceae | | | | Chroomonas | | Chroomonas sp 5 | | | | CAD_TWG | CSUSM |
| Chrysocapsa | | Ochrophyta | | | Chrysophyceae | | | Chromulinales | | | Chrysocapsaceae | | | | Chrysocapsa | | | | | | CAD_TWG | CSUSM |
| Chrysocapsa cf epiphytica | | Ochrophyta | | | Chrysophyceae | | | Chromulinales | | | Chrysocapsaceae | | | | Chrysocapsa | | Chrysocapsa cf epiphytica | | | J.W.G. Lund | CAD_TWG | CSUSM |
| Chrysocapsa epiphytica | | Ochrophyta | | | Chrysophyceae | | | Chromulinales | | | Chrysocapsaceae | | | | Chrysocapsa | | Chrysocapsa epiphytica | | | J.W.G. Lund | CAD_TWG | CSUSM |
| Chrysophyceae 1 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 10 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 2 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 3 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 4 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 5 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 6 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 7 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 8 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysophyceae 9 | | Ochrophyta | | | Chrysophyceae | | | | | | | | | | | | | | | | CAD_TWG | CSUSM |
| Chrysopyxis | | Ochrophyta | | | Chrysophyceae | | | Hibberdiales | | | Stylococcaceae | | | | Chrysopyxis | | | | | | CAD_TWG | CSUSM |
| Chrysopyxis sp 1 | | Ochrophyta | | | Chrysophyceae | | | Hibberdiales | | | Stylococcaceae | | | | Chrysopyxis | | Chrysopyxis sp 1 | | | | CAD_TWG | CSUSM |
| Chrysosphaera | | Ochrophyta | | | Chrysophyceae | | | Chromulinales | | | Chrysosphaeraceae | | | | Chrysosphaera | | | | | | CAD_TWG | CSUSM |
| Chrysosphaera cf paludosa | | Ochrophyta | | | Chrysophyceae | | | Chromulinales | | | Chrysosphaeraceae | | | | Chrysosphaera | | Chrysosphaera cf paludosa | | | (Korshikov) Bourr. | CAD_TWG | CSUSM |
| Chrysosphaera paludosa | | Ochrophyta | | | Chrysophyceae | | | Chromulinales | | | Chrysosphaeraceae | | | | Chrysosphaera | | Chrysosphaera paludosa | | | (Korshikov) Bourr. | CAD_TWG | CSUSM |
| Chrysosphaera sp 1 | | Ochrophyta | | | Chrysophyceae | | | Chromulinales | | | Chrysosphaeraceae | | | | Chrysosphaera | | Chrysosphaera sp 1 | | | | CAD_TWG | CSUSM |
| Chytridiochloris | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Chytridiochloris | | | | | | CAD_TWG | CSUSM |
| Chytridiochloris acus | | Ochrophyta | | | Xanthophyceae | | | Mischococcales | | | Characiopsidaceae | | | | Chytridiochloris | | Chytridiochloris acus | | | Ettl | CAD_TWG | CSUSM |
| Cladophora | | Chlorophyta | | | Ulvophyceae | | | Cladophorales | | | Cladophoraceae | | | | Cladophora | | | | | | CAD_TWG | CSUSM |
| Cladophora cf fracta | | Chlorophyta | | | Ulvophyceae | | | Cladophorales | | | Cladophoraceae | | | | Cladophora | | Cladophora cf fracta | | | (O.F.Mull. ex Vahl) Kutz. | CAD_TWG | CSUSM |
| Cladophora cf glomerata | | Chlorophyta | | | Ulvophyceae | | | Cladophorales | | | Cladophoraceae | | | | Cladophora | | Cladophora cf glomerata | | | (L.) Kutz. | CAD_TWG | CSUSM |
| Cladophora fracta | | Chlorophyta | | | Ulvophyceae | | | Cladophorales | | | Cladophoraceae | | | | Cladophora | | Cladophora fracta | | | (O.F.Mull. ex Vahl) Kutz. | CAD_TWG | CSUSM |
| Cladophora glomerata | | Chlorophyta | | | Ulvophyceae | | | Cladophorales | | | Cladophoraceae | | | | Cladophora | | Cladophora glomerata | | | (L.) Kutz. | CAD_TWG | CSUSM |
| Cladophora sp 1 | | Chlorophyta | | | Ulvophyceae | | | Cladophorales | | | Cladophoraceae | | | | Cladophora | | Cladophora sp 1 | | | | CAD_TWG | CSUSM |
| Clastidium | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Clastidium | | | | | | CAD_TWG | CSUSM |
| Clastidium cf rivulare | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Clastidium | | Clastidium cf rivulare | | | (Hansg.) Hansg. | CAD_TWG | CSUSM |
| Clastidium cf setigerum | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Clastidium | | Clastidium cf setigerum | | | Kirchn. | CAD_TWG | CSUSM |
| Clastidium rivulare | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Clastidium | | Clastidium rivulare | | | (Hansg.) Hansg. | CAD_TWG | CSUSM |
| Clastidium setigerum | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Chamaesiphonaceae | | | | Clastidium | | Clastidium setigerum | | | Kirchn. | CAD_TWG | CSUSM |
| Cloniophora | | Chlorophyta | | | Ulvophyceae | | | Ulvales | | | Cloniophoraceae | | | | Cloniophora | | | | | Tiffany | CAD_TWG | CSUSM |
| Cloniophora macroclada | | Chlorophyta | | | Ulvophyceae | | | Ulvales | | | Cloniophoraceae | | | | Cloniophora | | Cloniophora macrocladia | | | (Nordstedt) Bourrelly | CAD_TWG | CSUSM |
| Closteriopsis | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Closteriopsis | | | | | | CAD_TWG | CSUSM |
| Closteriopsis acicularis | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Closteriopsis | | Closteriopsis acicularis | | | (Chodat) J.H. Belcher et Swale | CAD_TWG | CSUSM |
| Closteriopsis cf acicularis | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Closteriopsis | | Closteriopsis cf acicularis | | | (Chodat) J.H. Belcher et Swale | CAD_TWG | CSUSM |
| Closteriopsis cf longissima | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Closteriopsis | | Closteriopsis cf longissima | | | (Lemmerm.) Lemmerm. | CAD_TWG | CSUSM |
| Closteriopsis longissima | | Chlorophyta | | | Trebouxiophyceae | | | Chlorellales | | | Chlorellaceae | | | | Closteriopsis | | Closteriopsis longissima | | | (Lemmerm.) Lemmerm. | CAD_TWG | CSUSM |
| Closteriospira | | Charophyta | | | Klebsormidiophyceae | | | Klebsormidiales | | | Elakatotrichaceae | | | | Closteriospira | | | | | | CAD_TWG | CSUSM |
| Closteriospira lemanensis | | Charophyta | | | Klebsormidiophyceae | | | Klebsormidiales | | | Elakatotrichaceae | | | | Closteriospira | | Closteriospira lemanensis | | | Reverdin | CAD_TWG | CSUSM |
| Closterium | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | | | | | CAD_TWG | NAU |
| Closterium acerosum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium acerosum | | | (Schrank) Ehrenb. ex Ralfs | CAD_TWG | CSUSM |
| Closterium acerosum var tumidium | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium acerosum | | Closterium acerosum var tumidium | Hughes | CAD_TWG | CSUSM |
| Closterium attenuatum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium attenuatum | | | Ralfs | CAD_TWG | CSUSM |
| Closterium cf acerosum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf acerosum | | | (Schrank) Ehrenb. ex Ralfs | CAD_TWG | CSUSM |
| Closterium cf attenuatum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf attenuatum | | | Ralfs | CAD_TWG | CSUSM |
| Closterium cf ehrenbergii | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf ehrenbergii | | | Menegh. ex Ralfs | CAD_TWG | CSUSM |
| Closterium cf incurvum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf incurvum | | | Breb. | CAD_TWG | CSUSM |
| Closterium cf intermedium | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf intermedium | | | Ralfs | CAD_TWG | CSUSM |
| Closterium cf kuetzingii | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf kuetzingii | | | Breb. | CAD_TWG | CSUSM |
| Closterium cf leibleinii | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf leibleinii | | | Kutz. ex Ralfs | CAD_TWG | CSUSM |
| Closterium cf littorale | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf littorale | | | F. Gay | CAD_TWG | CSUSM |
| Closterium cf lunula | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf lunula | | | Ehrenb. et Hemprich ex Ralfs | CAD_TWG | CSUSM |
| Closterium cf moniliferum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf moniliferum | | | Ehrenb. ex Ralfs | CAD_TWG | CSUSM |
| Closterium cf nylandicum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf nylandicum | | | (Gronblad) A.J.Brook & D.B.Williamson | CAD_TWG | CSUSM |
| Closterium cf parvulum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf parvulum | | | Nageli | CAD_TWG | CSUSM |
| Closterium cf praelongum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf praelongum | | | Breb. | CAD_TWG | CSUSM |
| Closterium cf rostratum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf rostratum | | | Ehrenb. ex Ralfs | CAD_TWG | CSUSM |
| Closterium cf striatum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cf striatum | | | K.P.Biswas | CAD_TWG | CSUSM |
| Closterium closterioides | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium closterioides | | | (Ralfs) A.Louis & Peeters | CAD_TWG | CSUSM |
| Closterium cornu | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium cornu | | | Ehrenberg ex Ralfs | CAD_TWG | CSUSM |
| Closterium ehrenbergii | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium ehrenbergii | | | Menegh. ex Ralfs | CAD_TWG | CSUSM |
| Closterium incurvum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium incurvum | | | Breb. | CAD_TWG | CSUSM |
| Closterium intermedium | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium intermedium | | | Ralfs | CAD_TWG | CSUSM |
| Closterium kuetzingii | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium kuetzingii | | | Breb. | CAD_TWG | CSUSM |
| Closterium leibleinii | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium leibleinii | | | Kutz. ex Ralfs | CAD_TWG | CSUSM |
| Closterium littorale | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium littorale | | | F. Gay | CAD_TWG | CSUSM |
| Closterium lunula | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium lunula | | | Ehrenb. et Hemprich ex Ralfs | CAD_TWG | CSUSM |
| Closterium moniliferum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium moniliferum | | | Ehrenb. ex Ralfs | CAD_TWG | CSUSM |
| Closterium navicula | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium navicula | | | (Breb.) Lutkem. | CAD_TWG | CSUSM |
| Closterium nylandicum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium nylandicum | | | (Grönblad) Brook & D.B.Will. | CAD_TWG | CSUSM |
| Closterium parvulum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium parvulum | | | Nageli | CAD_TWG | CSUSM |
| Closterium parvulum var maius | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium parvulum | | Closterium parvulum var maius | (Schmidle) W. Krieg. | CAD_TWG | CSUSM |
| Closterium praelongum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium praelongum | | | Breb. | CAD_TWG | CSUSM |
| Closterium ralfsii var gracilius | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium ralfsii | | Closterium ralfsii var gracilius | (Maskell) Krieger | CAD_TWG | CSUSM |
| Closterium ralfsii var hybridum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium ralfsii | | Closterium ralfsii var hybridum | Rabenh. | CAD_TWG | CSUSM |
| Closterium rostratum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium rostratum | | | Ehrenb. ex Ralfs | CAD_TWG | CSUSM |
| Closterium sp 1 | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium sp 1 | | | | CAD_TWG | CSUSM |
| Closterium sp 2 | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium sp 2 | | | | CAD_TWG | CSUSM |
| Closterium striolatum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium striolatum | | | Ehrenb. ex Ralfs | CAD_TWG | CSUSM |
| Closterium striolatum var borgei | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Closteriaceae | | | | Closterium | | Closterium striolatum | | Closterium striolatum var borgei | W. Krieger | CAD_TWG | CSUSM |
| Coelastrum | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Scenedesmaceae | Coelastroideae | | | Coelastrum | | | | | | CAD_TWG | CSUSM |
| Coelastrum astroideum | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Scenedesmaceae | Coelastroideae | | | Coelastrum | | Coelastrum astroideum | | | De Not. | CAD_TWG | CSUSM |
| Coelastrum cf astroideum | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Scenedesmaceae | Coelastroideae | | | Coelastrum | | Coelastrum cf astroideum | | | De Not. | CAD_TWG | CSUSM |
| Coelastrum cf microporum | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Scenedesmaceae | Coelastroideae | | | Coelastrum | | Coelastrum cf microporum | | | Nageli | CAD_TWG | CSUSM |
| Coelastrum microporum | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Scenedesmaceae | Coelastroideae | | | Coelastrum | | Coelastrum microporum | | | Nageli | CAD_TWG | CSUSM |
| Coelomoron | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Gomphosphaerioideae | | | Coelomoron | | | | | | CAD_TWG | CSUSM |
| Coelomoron cf pusillum | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Gomphosphaerioideae | | | Coelomoron | | Coelomoron cf pusillum | | | (Van Goor) Komarek | CAD_TWG | CSUSM |
| Coelomoron pusillum | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Gomphosphaerioideae | | | Coelomoron | | Coelomoron pusillum | | | (Van Goor) Komarek | CAD_TWG | CSUSM |
| Coelomoron sp 1 | | Cyanobacteria | | | Cyanophyceae | | | Chroococcales | | | Merismopediaceae | Gomphosphaerioideae | | | Coelomoron | | Coelomoron sp 1 | | | | CAD_TWG | CSUSM |
| Coleochaete | | Charophyta | | | Coleochaetophyceae | | | Coleochaetales | | | Coleochaetaceae | | | | Coleochaete | | | | | | CAD_TWG | CSUSM |
| Coleochaete cf irregularis | | Charophyta | | | Coleochaetophyceae | | | Coleochaetales | | | Coleochaetaceae | | | | Coleochaete | | Coleochaete cf irregularis | | | Pringsh. | CAD_TWG | CSUSM |
| Coleochaete cf scutata | | Charophyta | | | Coleochaetophyceae | | | Coleochaetales | | | Coleochaetaceae | | | | Coleochaete | | Coleochaete cf scutata | | | Breb. | CAD_TWG | CSUSM |
| Coleochaete irregularis | | Charophyta | | | Coleochaetophyceae | | | Coleochaetales | | | Coleochaetaceae | | | | Coleochaete | | Coleochaete irregularis | | | Pringsh. | CAD_TWG | CSUSM |
| Coleochaete scutata | | Charophyta | | | Coleochaetophyceae | | | Coleochaetales | | | Coleochaetaceae | | | | Coleochaete | | Coleochaete scutata | | | Breb. | CAD_TWG | CSUSM |
| Coleochaete sp 1 | | Charophyta | | | Coleochaetophyceae | | | Coleochaetales | | | Coleochaetaceae | | | | Coleochaete | | Coleochaete sp 1 | | | | CAD_TWG | CSUSM |
| Coleodesmium | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Microchaetaceae | Microchaetoideae | | | Coleodesmium | | | | | | CAD_TWG | CSUSM |
| Coleodesmium cf wrangelii | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Microchaetaceae | Microchaetoideae | | | Coleodesmium | | Coleodesmium cf wrangelii | | | (C.Agardh) Borzi | CAD_TWG | CSUSM |
| Coleodesmium floccosum | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Microchaetaceae | Microchaetoideae | | | Coleodesmium | | Coleodesmium floccosum | | | (Bornet & Flahault) Geitler | CAD_TWG | CSUSM |
| Coleodesmium wrangelii | | Cyanobacteria | | | Cyanophyceae | Nostocophycideae | | Nostocales | | | Microchaetaceae | Microchaetoideae | | | Coleodesmium | | Coleodesmium wrangelii | | | (C.Agardh) Borzi | CAD_TWG | CSUSM |
| Comasiella | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Scenedesmaceae | Scenedesmoidea | | | Comasiella | | | | | | CAD_TWG | CSUSM |
| Comasiella arcuata var platydisca | | Chlorophyta | | | Chlorophyceae | | | Sphaeropleales | | | Scenedesmaceae | Scenedesmoidea | | | Comasiella | | Comasiella arcuata | | Comasiella arcuata var platydisca | (G.M.Sm.) E.Hegewald et M.Wolf | CAD_TWG | CSUSM |
| Compsopogon | | Rhodophyta | Metarhodophytina | | Compsopogonophyceae | | | Compsopogonales | | | Compsopogonaceae | | | | Compsopogon | | | | | | CAD_TWG | CSUSM |
| Compsopogon caeruleus | | Rhodophyta | Metarhodophytina | | Compsopogonophyceae | | | Compsopogonales | | | Compsopogonaceae | | | | Compsopogon | | Compsopogon caeruleus | | | Balb. ex C. Agardh | CAD_TWG | CSUSM |
| Compsopogon cf caeruleus | | Rhodophyta | Metarhodophytina | | Compsopogonophyceae | | | Compsopogonales | | | Compsopogonaceae | | | | Compsopogon | | Compsopogon cf caeruleus | | | Balb. ex C. Agardh | CAD_TWG | CSUSM |
| Cosmarium | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Desmidiaceae | | | | Cosmarium | | | | | | CAD_TWG | NAU |
| Cosmarium abbreviatum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Desmidiaceae | | | | Cosmarium | | Cosmarium abbreviatum | | | Racib. | CAD_TWG | CSUSM |
| Cosmarium angulosum | | Charophyta | | | Zygnematophyceae | | | Desmidiales | | | Desmidiaceae | | | | Cosmarium | | Cosmarium angulosum | | | (W.B.Turner) Krieger & Gerloff | CAD_TWG | CSUSM |
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