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Division Chlorophyta
Green Algae

  

Green Algae of the Division Chlorophyta are characterized by containing the pigments chlorophyll a and chlorophyll b. This is an extremely diverse order.
Taxonomy of the group has undergone several revisions - this website uses the taxonomic classifications of Prescott.


Dominant Great Lakes Green Algae

Oocystis borgei.  Courtesy of Algaline Tetraedron minimum.  Courtesy of Protist Information Server Pediastrum simplex.  Courtesy of Fitoplancton. Planktonema lauterborni.  Courtesy of Protist Information Server. Staurastrum gracile.  Courtesy of Protist Information Server.
Oocystis borgei Tetraedron minimum Pediastrum simplex Planktonema lauterborni Staurastrum gracile

Great Lakes Green Algae Species List (Desmids Incomplete)

  • Division Chlorophyta - Green Algae
    • Class Chlorophyceae
      • Order Chaetophorales
      • Order Chlorococcales
        • Family Botryococcaceae
        • Family Characiaceae
          • Genus Characium *
            • Characium acuminatum
            • Characium ambiguum
            • Characium curvatum
            • Characium debaryanum
            • Characium falcatum
            • Characium gracilipes
            • Characium hookeri
            • Characium limneticum H
            • Characium obtusum
            • Characium operculum
            • Characium ornithocephalum
            • Characium pringsheimii
            • Characium rabenhorstii
            • Characium rostratum
            • Characium stipitatum
        • Family Chlorococcaceae
        • Family Coelastraceae
          • Genus Coelastrum
            • Coelastrum astroideum#
            • Coelastrum cambricum*#
            • Coelastrum microporum*#H
            • Coelastrum morus#
            • Coelastrum proboscideum
            • Coelastrum reticulatum#H
            • Coelastrum scabrum H
            • Coelastrum speciosum
            • Coelastrum sphaericum
        • Family Endosphaeraceae
        • Family Hydrodictyaceae
          • Genus Euastropsis
            • Euastropsis richteri
          • Genus Hydrodictyon
            • Hydrodictyon reticulatum
          • Genus Pediastrum * De
            • Pediastrum araneosum
            • Pediastrum biradiatum
            • Pediastrum boryanum #H
            • Pediastrum braunii
            • Pediastrum duplex #H
            • Pediastrum glanduliferum
            • Pediastrum integrum H
            • Pediastrum kawraiskyi H
            • Pediastrum muticum
            • Pediastrum obtusum
            • Pediastrum sculptatum
            • Pediastrum simplex# De
            • Pediastrum tetras H
          • Genus Sorastrum
            • Sorastrum americanum
            • Sorastrum spinulosum
        • Family Oocystaceae
          • Genus Ankistrodesmus
            • Ankistrodesmus braunii*H
            • Ankistrodesmus convolutus H
            • Ankistrodesmus falcatus*#H
            • Ankistrodesmus fractus
            • Ankistrodesmus fusiformis *
            • Ankistrodesmus gelifactum *
            • Ankistrodesmus gracilis *#
            • Ankistrodesmus spiralis
            • Ankistrodesmus stipatatus *#
          • Genus Cerasterias
            • Cerasterias staurastroides
          • Genus Chlorella *#
            • Chlorella ellipsoidea
            • Chlorella vulgaris H
          • Genus Chodatellopsis ?*
          • Genus Closteriopsis *
            • Closteriopsis longissima#H
          • Genus Dactylococcus
            • Dactylococcus infusionum
          • Genus Dictyosphaerium
            • Dictyosphaerium ehrenbergianum*#
            • Dictyosphaerium pulchellum*#
          • Genus Dimorphococcus
            • Dimorphococcus lunatus
          • Genus Diplochloris?
            • Diplochloris lunata*
          • Genus Echinocoleum?*
          • Genus Echinosphaerella
            • Echinosphaerella limnetica
          • Genus Eremosphaera
            • Eremosphaera oocystoides
            • Eremosphaera viridis
          • Genus Excentrosphaera
            • Excentrosphaera viridis
          • Genus Franceia
            • Franceia droescheri*#H
            • Franceia ovalis*
          • Genus Gloedactinium?
            • Gloedactinium limneticum*
          • Genus Gloeotanium
            • Gloeotanium loitelsbergerianum
          • Genus Kirchneriella
            • Kirchneriella contorta*#
            • Kirchneriella elongata*
            • Kirchneriella lunaris
            • Kirchneriella obesa*
            • Kirchneriella subsolitaria
          • Genus Lagerheimia
            • Lagerheimia ciliata*#H
            • Lagerheimia citriformis#
            • Lagerheimia genevensis*#
            • Lagerheimia longiseta#
            • Lagerheimia quadriseta#
            • Lagerheimia subsalsa#
          • Genus Monoraphidium
            • Monoraphidium arcuatum#
            • Monoraphidium braunii*#
            • Monoraphidium contortum*#
            • Monoraphidium dybowski*
            • Monoraphidium gracilis#
            • Monoraphidium griffithii*
            • Monoraphidium irregulare*#
            • Monoraphidium minutum*#
            • Monoraphidium pusillum*#
            • Monoraphidium setiformae*#
            • Monoraphidium tortile*#
          • Genus Nephrocytium
            • Nephrocytium agardhianum*#
            • Nephrocytium ecdysiscepanum
            • Nephrocytium limneticum*#
            • Nephrocytium lunatum
            • Nephrocytium obesum
          • Genus Oocystis
            • Oocystis borgei*#H Do
            • Oocystis crassa*#
            • Oocystis elliptica*#
            • Oocystis eremosphaeria
            • Oocystis gigas
              • Oocystis gigas v. incrassata*#
            • Oocystis gloeocystiformis H
            • Oocystis lacustris*#
            • Oocystis marsonii*
            • Oocystis natans
            • Oocystis nodulosa*#
            • Oocystis novae-semliae
            • Oocystis panduriformis
            • Oocystis parva*#H
            • Oocystis pusilla*#H
            • Oocystis pyriformis#
            • Oocystis solitaria*#
            • Oocystis submarina*#
          • Genus Planktosphaeria
            • Planktosphaeria gelatinosa H
          • Genus Polyedriopsis
            • Polyedriopsis spinulosa
          • Genus Quadrigula
            • Quadrigula chodati
            • Quadrigula closteriodes#
            • Quadrigula lacustris*#H
          • Genus Schroederia
            • Schroederia judayi
            • Schroederia setigera*#
          • Genus Selanastrum (aka Selenastrum)#
            • Selanastrum bibraianum
            • Selanastrum gracile
            • Selanastrum minutum H
            • Selanastrum westii
          • Genus Tetraedron
            • Tetraedron armatum
            • Tetraedron arthrodesmiforme
            • Tetraedron asymmetricum
            • Tetraedron bifurcatum
            • Tetraedron caudatum H
            • Tetraedron constrictum
            • Tetraedron cruciatum
            • Tetraedron enorme
            • Tetraedron gigas
            • Tetraedron gracile
            • Tetraedron hastatum
            • Tetraedron limneticum
            • Tetraedron lobulatum
            • Tetraedron lunula
            • Tetraedron minimum*#H Do
            • Tetraedron muticum#H
            • Tetraedron obesum
            • Tetraedron pentaedricum
            • Tetraedron planctonicum
            • Tetraedron pusillum
            • Tetraedron quadratum
            • Tetraedron regulare*#
            • Tetraedron trigonum#
            • Tetraedron tumidulum
            • Tetraedron verrucosum
            • Tetraedron victoriae
          • Genus Treubaria
            • Treubaria planktonica*
            • Treubaria setigerum#
            • Treubaria triappendiculata#
          • Genus Trochiscia *#
            • Trochiscia aspera
            • Trochiscia granulata
            • Trochiscia obtusa
            • Trochiscia reticularis
            • Trochiscia zachariasii
          • Genus Westella
            • Westella botryoides
            • Westella linearis
          • Genus Zoochlorella
            • Zoochlorella conductrix
            • Zoochlorella parasitica
        • Family Scenedesmaceae
          • Genus Actinastrum
            • Actinastrum gracilimum
            • Actinastrum hantzschii
          • Genus Crucigenia
            • Crucigenia apiculata
            • Crucigenia crucifera
            • Crucigenia fenestrata*
            • Crucigenia irregularis*
            • Crucigenia lauterbornii
            • Crucigenia quadrata*#H
            • Crucigenia rectangularis*#H
            • Crucigenia tetrapedia*
            • Crucigenia truncata
          • Genus Micractinium
            • Micractinium pusillum#H
            • Micractinium quadrisetum
          • Genus Scenedesmus
            • Scenedesmus abundans
            • Scenedesmus acuatus*
            • Scenedesmus acuminatus
            • Scenedesmus acutiformis H
            • Scenedesmus arcuatus*#H
            • Scenedesmus armatus*#H
            • Scenedesmus bernardii
            • Scenedesmus bicaudatus#
            • Scenedesmus bijuga*#H
            • Scenedesmus brasiliensis H
            • Scenedesmus brevispina#
            • Scenedesmus denticulatus#H
            • Scenedesmus dimorphus
            • Scenedesmus ecornis*#
            • Scenedesmus hystrix H
            • Scenedesmus incrassatulus
            • Scenedesmus longus H
            • Scenedesmus microspina#
            • Scenedesmus obliquus H
            • Scenedesmus opoliensis#H
            • Scenedesmus perforatus
            • Scenedesmus quadrata*
            • Scenedesmus quadricauda*#H
            • Scenedesmus securiformis*
            • Scenedesmus serratus H
            • Scenedesmus spinosus#
          • Genus Tetradesmus
            • Tetradesmus smithii
            • Tetradesmus wisconsinense
          • Genus Tetrallantos
            • Tetrallantos lagerheimii
          • Genus Tetrastrum
            • Tetrastrum glabrum*
            • Tetrastrum heteracanthum*
            • Tetrastrum punctatum
            • Tetrastrum staurogeniaeforme
      • Order Cladophorales
        • Family Cladophoraceae
          • Genus Basicladia
            • Basicladia chelonum
            • Basicladia crassa
          • Genus Cladophora
            • Cladophora callicoma
            • Cladophora crispata
            • Cladophora fracta
            • Cladophora glomerata
            • Cladophora insignis
            • Cladophora oligoclona
            • Cladophora profunda
          • Genus Pithophora H
            • Pithophora mooreana
            • Pithophora oedogonia
            • Pithophora varia
          • Genus Rhizoclonium
            • Rhizoclonium crassipellitum
            • Rhizoclonium fontanum
            • Rhizoclonium hieroglyphicum
            • Rhizoclonium hookeri
      • Order Cylindrocapsales
      • Order Microsporales
        • Family Microsporaceae
          • Genus Microspora *
            • Microspora amoena
            • Microspora crassior
            • Microspora elegans
            • Microspora floccosa
            • Microspora loefgrenii
            • Microspora pachyderma
            • Microspora quadrata
            • Microspora stagnorum
            • Microspora tumidula
            • Microspora willeana
      • Order Oedogoniales
        • Family Oedogoniaceae
          • Genus Bulbochaete
            • Bulbochaete alabamensis
            • Bulbochaete angulosa
            • Bulbochaete borealis
            • Bulbochaete brebissonii
            • Bulbochaete congener
            • Bulbochaete crenulata
            • Bulbochaete crassa
            • Bulbochaete crassiuscula
            • Bulbochaete dispar
            • Bulbochaete elatior
            • Bulbochaete furberae
            • Bulbochaete gigantea
            • Bulbochaete hiloensis
            • Bulbochaete insignis
            • Bulbochaete intermedia
            • Bulbochaete minor
            • Bulbochaete minuta
            • Bulbochaete mirabilis
            • Bulbochaete nordstedtii
            • Bulbochaete obliqua
            • Bulbochaete polyandria
            • Bulbochaete praereticulata
            • Bulbochaete pygmaea
            • Bulbochaete rectangularis
            • Bulbochaete regalis
            • Bulbochaete repanda
            • Bulbochaete reticulata
            • Bulbochaete scrobiculata
            • Bulbochaete sessilis
            • Bulbochaete setigera
            • Bulbochaete tenuis
            • Bulbochaete valida
            • Bulbochaete varians
          • Genus Oedocladium
          • Genus Oedogonium *#
            • Oedogonium abbreviatum
            • Oedogonium ackleyae
            • Oedogonium acrosporum
            • Oedogonium ahlstrandii
            • Oedogonium ambiceps
            • Oedogonium americanum
            • Oedogonium amplum
            • Oedogonium angustissimum
            • Oedogonium angustum
            • Oedogonium anomalum
            • Oedogonium areolatum
            • Oedogonium areoliferum
            • Oedogonium areschougii
            • Oedogonium argenteum
            • Oedogonium austale
            • Oedogonium autumnale
            • Oedogonium bohemicum
            • Oedogonium borisanum
            • Oedogonium boscii
            • Oedogonium brasiliense
            • Oedogonium braunii
            • Oedogonium calvum
            • Oedogonium capillare
            • Oedogonium capilliforme
            • Oedogonium cardiacum
            • Oedogonium carolinianum
            • Oedogonium ciliatum
            • Oedogonium concatenatum
            • Oedogonium crassiusculum
            • Oedogonium crassum
            • Oedogonium crenulatocostatum
            • Oedogonium crispum
            • Oedogonium croasdaleae
            • Oedogonium cryptoporum
            • Oedogonium curtum
            • Oedogonium cyathigerum
            • Oedogonium decipiens
            • Oedogonium depressum
            • Oedogonium diversum
            • Oedogonium echinospermum
            • Oedogonium epiphyticum
            • Oedogonium exocostatum
            • Oedogonium fennicum
            • Oedogonium fragile
            • Oedogonium gallicum
            • Oedogonium giganteum
            • Oedogonium globosum
            • Oedogonium gracilimum
            • Oedogonium gracilius
            • Oedogonium grande
            • Oedogonium gunnii
            • Oedogonium hians
            • Oedogonium hirnii
            • Oedogonium hispidum
            • Oedogonium howardii
            • Oedogonium hystricinum
            • Oedogonium idioandrosporum
            • Oedogonium inclusum
            • Oedogonium inconspicuum
            • Oedogonium intermedium
            • Oedogonium iowense
            • Oedogonium irregulare
            • Oedogonium itzigsohnii
            • Oedogonium kjellmanii
            • Oedogonium kozminskii
            • Oedogonium kurzii
            • Oedogonium laeve
            • Oedogonium landsboroughii
            • Oedogonium latiusculum
            • Oedogonium lautumniarum
            • Oedogonium longatum
            • Oedogonium longiarticulatum
            • Oedogonium macrandrium
            • Oedogonium macrospermum
            • Oedogonium magnum
            • Oedogonium magnusii
            • Oedogonium majus
            • Oedogonium megaporum
            • Oedogonium mexicanum
            • Oedogonium michiganense
            • Oedogonium microgonium
            • Oedogonium minisporum
            • Oedogonium minus
            • Oedogonium mitratum
            • Oedogonium monile
            • Oedogonium moniliforme
            • Oedogonium multisporum
            • Oedogonium nanum
            • Oedogonium nodulosum
            • Oedogonium oblongum
            • Oedogonium oelandicum
            • Oedogonium orientale
            • Oedogonium oviforme
            • Oedogonium pachydermum
            • Oedogonium paludosum
            • Oedogonium patulum
            • Oedogonium paucostritum
            • Oedogonium perfectum
            • Oedogonium pisanum
            • Oedogonium plagiostomum
            • Oedogonium plusiosporum
            • Oedogonium poecilosporum
            • Oedogonium polyandrium
            • Oedogonium porrectum
            • Oedogonium pratense
            • Oedogonium princeps
            • Oedogonium pringsheimi
            • Oedogonium psaegmatosporum
            • Oedogonium pseudo-boscii
            • Oedogonium pseudoplenum
            • Oedogonium punctatostriatum
            • Oedogonium pusillum
            • Oedogonium pyriforme
            • Oedogonium reinschii
            • Oedogonium richterianum
            • Oedogonium rivulare
            • Oedogonium rufescens
            • Oedogonium rugulosum
            • Oedogonium sancti-thomae
            • Oedogonium sawyerii
            • Oedogonium sexanulare
            • Oedogonium sinuatum
            • Oedogonium smithii
            • Oedogonium sociale
            • Oedogonium sodiroanum
            • Oedogonium spheroideum
            • Oedogonium spiralidens
            • Oedogonium spirostriatum
            • Oedogonium spurium
            • Oedogonium stellatum
            • Oedogonium striatum
            • Oedogonium subplenum
            • Oedogonium subsexangulare
            • Oedogonium suecicum
            • Oedogonium tapeinosporum
            • Oedogonium taphrosporum
            • Oedogonium tiffanyi
            • Oedogonium trioicum
            • Oedogonium tyrolicum
            • Oedogonium undulatum
            • Oedogonium upsaliense
            • Oedogonium urceolatum
            • Oedogonium varians
            • Oedogonium vaucherii
            • Oedogonium verrucosum
            • Oedogonium vulgare
            • Oedogonium welwitschii
            • Oedogonium westii
            • Oedogonium wolleanum
            • Oedogonium wyliei
      • Order Schizogoniales
      • Order Siphonales
        • Family Phyllosiphonaceae
        • Family Vaucheriaceae
          • Genus Dichotomosiphon
            • Dichotomosiphon tuberosus
          • Genus Vaucheria
            • Vaucheria aversa
            • Vaucheria geminata
            • Vaucheria hamata
            • Vaucheria longipes
            • Vaucheria nicholsii
            • Vaucheria ornithocephala
            • Vaucheria pachydermum
            • Vaucheria polysperma
            • Vaucheria orthocarpa
            • Vaucheria terrestris
            • Vaucheria sessilis
      • Order Sphaeropleales
      • Order Tetrasporales
      • Order Ulotrichales
      • Order Ulvales
      • Order Volvocales
      • Order Zygnematales
        • Desmids - Orders Desmidaceae, Gonatozygonaceae, Mesotaeniaceae
        • Family Zygnemataceae
          • Genus Debarya
            • Debarya ackleyana
            • Debarya glyptosperma
          • Genus Mougeotia H
            • Mougeotia abnormis
            • Mougeotia americana
            • Mougeotia calcarea
            • Mougeotia capucina
            • Mougeotia cyanea
            • Mougeotia elegantula
            • Mougeotia floridana
            • Mougeotia genuflexa
            • Mougeotia gracilima
            • Mougeotia hirnii
            • Mougeotia laetevirens
            • Mougeotia laevis
            • Mougeotia maltae
            • Mougeotia micropora
            • Mougeotia nummuloides
            • Mougeotia parvula
            • Mougeotia pulchella
            • Mougeotia punctata
            • Mougeotia quadrangulata
            • Mougeotia reinschii
            • Mougeotia recurva
            • Mougeotia robusta
            • Mougeotia scalaris
            • Mougeotia sphaerocarpa
            • Mougeotia tumidula
            • Mougeotia varians
            • Mougeotia ventricosa
            • Mougeotia virescens
            • Mougeotia viridis
          • Genus Mougeotiopsis
            • Mougeotiopsis calospora
          • Genus Pleurodiscus
          • Genus Spirogyra H
            • Spirogyra aequinoctialis
            • Spirogyra affinis
            • Spirogyra borgeanna
            • Spirogyra borysthenica
            • Spirogyra catenaeformis
            • Spirogyra circumlineata
            • Spirogyra collinsii
            • Spirogyra communis
            • Spirogyra condensata
            • Spirogyra crassa
            • Spirogyra daedaleoides
            • Spirogyra decimina
            • Spirogyra dubia
            • Spirogyra ellipsospora
            • Spirogyra fallax
            • Spirogyra farlowii
            • Spirogyra flavescens
            • Spirogyra fluviatilis
            • Spirogyra fuellebornei
            • Spirogyra gracilis
            • Spirogyra gratiana
            • Spirogyra grevilleana
            • Spirogyra inconstans
            • Spirogyra inflata
            • Spirogyra juergensii
            • Spirogyra jugalis
            • Spirogyra laxa
            • Spirogyra longata
            • Spirogyra majuscula
            • Spirogyra maxima
            • Spirogyra micropunctata
            • Spirogyra mirabilis
            • Spirogyra nitida
            • Spirogyra novae-angliae
            • Spirogyra orientalis
            • Spirogyra porangabae
            • Spirogyra porticalis
            • Spirogyra pratensis
            • Spirogyra protecta
            • Spirogyra pseudofloridana
            • Spirogyra reflexa
            • Spirogyra rhizobrachialis
            • Spirogyra rivularis
            • Spirogyra scrobiculata
            • Spirogyra singularis
            • Spirogyra spreeiana
            • Spirogyra stictica
            • Spirogyra subsalsa
            • Spirogyra suecica
            • Spirogyra sulcata
            • Spirogyra tenuissima
            • Spirogyra teodoresci
            • Spirogyra triplicata
            • Spirogyra varians
            • Spirogyra weberi
          • Genus Temnogametum
          • Genus Zygnema
            • Zygnema carinatum
            • Zygnema chalybeospermum
            • Zygnema conspicuum
            • Zygnema cyanosporum
            • Zygnema decussatum
            • Zygnema insigne
            • Zygnema leospermum
            • Zygnema micropunctatum
            • Zygnema pectinatum
            • Zygnema stellinum
            • Zygnema sterile
            • Zygnema synadelphum
          • Genus Zygnemopsis
            • Zygnemopsis americana
            • Zygnemopsis decussata
            • Zygnemopsis desmidioides
            • Zygnemopsis minuta
            • Zygnemopsis spiralis
            • Zygnemopsis tiffaniana
          • Genus Zygogonium
            • Zygogonium ericetorum
    • Class Charophyceae
      • Order Charales
        • Family Characeae
          • Tribe Chareae
            • Genus Chara
              • Chara braunii
              • Chara canescens
              • Chara contraria
              • Chara elegans
              • Chara excelsa
              • Chara formosa
              • Chara fragilis
              • Chara schweinitzii
              • Chara sejuncta
              • Chara vulgaris
          • Tribe Nitelleae

Based on: G.W. Prescott. 1962. Algae of the Western Great Lakes Area. Wm. C. Brown Co., Inc.

With additions from:

Globe icon indicates link to a non-NOAA site  Plankton in Lake Michigan 1983 - 1992. EPA
Globe icon indicates link to a non-NOAA site  Plankton in Lake Ontario 1986 - 1992. EPA
* Globe icon indicates link to a non-NOAA site  Plankton in Lake Michigan 1983 - 1992 . EPA/GLNPO. Epilimnetic Phytoplankton and Zooplankton Biomass and Species Composition in Lake Michigan, 1983 to 1992. Joseph C. Makarewicz, Theodore Lewis and Paul Bertram. October 1994. [Reports Stylotheca aurea - Other references to this species of Chrysophyte cannot be found so this species is not included in the above list]

# Globe icon indicates link to a non-NOAA site  Plankton in Lake Ontario 1986 - 1992. EPA/GLNPO. Epilimnetic Phytoplankton and Zooplankton Biomass and Species Composition in Lake Ontario, 1986 to 1992. Joseph C. Makarewicz, Theodore Lewis1 and Paul Bertram. July 1995.

E Great Lakes Aquatic Nonindigenous Species List.

Ds Dm Dh De Do - Dominant algae species of each Lake - Per Globe icon indicates link to a non-NOAA site  Results From The Great Lakes National Program Office's Biological Open Water Surveillance Program Of The Laurentian Great Lakes for 1998. EPA.

H Brown and Manny. 1983. Nearshore Plankton of Hammond Bay, Lake Huron. Globe icon indicates link to a non-NOAA site  JGLR 9(4)523-529.

Additional taxonomic placements based on: Prescott. 1970. how to know the Freshwater Algae. Wm. C. Brown Co. [Ankyra, Chlorogonium, Lobomonas, Phacotus, Pyramidomonas, Sphaerellocystis, Bitrichia, Chromulina, Chrysarachnion, Chrysochromulina, Chrysococcus, Epipyxis, Kephyrion, Monosiga, Ochromonas, Pseudokephyrion, Salpingoeca, Stichogloea, Uroglena, Chilomonas, Rhodomonas, Amphidinium, Enteromorpha, Nitellopsis]

Additional taxonomic placements based on: Globe icon indicates link to a non-NOAA site  Protist Information Server. [Chlamydocapsa, Monoraphidium, Planktonema, Selenastrum, Sphaerellopsis]

Additional taxonomic placements based on: European Register of Marine Species [Hymenomonas]

Additional taxonomic placements based on: Globe icon indicates link to a non-NOAA site  Systema Naturae 2000 [Paraphysomonas, Spiniferomonas]

Additional taxonomic placements based on: Globe icon indicates link to a non-NOAA site  VCR LTER Biodiversity Database [Coccochloris]

?Additional Taxonomy, uncertain.[Chodatellopsis, Diplochloris, Echinocoleum, Gloedactinium, Chrysolykos, Isthmochloron, Sphacelariales]

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Attached unicells (may be gregarious)

Characium sp.

Characium

Chaetospaeridium sp.

Chaetosphaeridium

Protococcus viridis

Protococcus

Chlorococcum sp.

Chlorococcum

Haematococcus sp.

Haematococcus

Chlorochytrium sp.

Chlorochytrium

(endophyte)

NA

Kentrosphaera

Unicells (motile, flagellated)

Carteria sp.

Carteria

Chlamydomonas sp.

Chlamydomonas

Chlorogonium sp.

Chlorogonium

Lobomonas sp.

Lobomonas

Sphaerellopsis fluviatilis

Sphaerellopsis

Phacotus sp.

Phacotus

Pyramimonas parkae

Pyramimonas

Planktonic Unicells (lunate or spindle-shaped - may be gregarious)

Closteriopsis longissima

Closteriopsis

Monoraphidium griffithii

Monoraphidium

Ankyra sp.

Ankyra

Ankistrodesmus sp.

Ankistrodesmus

NA

Dactylococcus

Closteridium sp

Closteridium

Schroderia setigera

Schroederia

Spinoclosterium cuspidatum

Spinoclosterium

 

 

Elongate desmids

Triploceras sp.

Triploceras

Docidium sp.

Docidium

Pleurotaenium sp.

Pleurotaenium

Closterium sp.

Closterium

Genicularia sp.

Genicularia

Spirotaenia sp.

Spirotaenium

Penium margaritaceum

Penium

Tetmemorus laevis (with Mougeotia to left)

Tetmemorus

Netritium digitus

Netrium

Cylindrocystis sp.

Cylindrocystis

Mesotaenium sp.

Mesotaenium

Planktonic Unicells (spined)

Franceia sp.

Franceia

 

Acanthosphaera sp.

Acanthosphaera

Golenkinia

Golenkinia

 

Echinosphaerella

Echinosphaerella

 

Treubaria setigera

Treubaria

 

Lagerheimia sp. Courtesy of EPA GLNPO

Lagerheimia

Bicells

Arthrodesmus sp.

Arthrodesmus

Cosmarium sp.

Cosmarium

Staurastrum sp.

Staurastrum

NA

Euastropsis

Euastrum sp.

Euastrum

Micrasterias sp.

Micrasterias

Xanthidium sp.

Xanthidium

LGCs ("little green cells", solitary planktonic unicells)

Cerasterias

Cerasterias

Tetraedron sp.

Tetraedron

Chlorella vulgaris

Chlorella

Zoochlorella in a hypotrich

(endozooic)

Zoochlorella

 

Eremosphaera viridis

Eremosphaera

Trochisia

Trochisia

NA

Chodatellopsis

Excentrosphaera viridis

Excentrosphaera

NA

Sphaerellocystis

NA

Desmatractum

Small Colonies (to 16 cells)

Asterococcus limneticus

Asterococcus
(or solitary)

Tetraspora sp.

Tetraspora

Gloeotanium

Gloeotanium

Nephrocytium sp. Photo Courtesy of EPA GLNPO

Nephrocytium

Gonium sp.

Gonium

Planktosphaeria gelatinosa

Planktosphaeria

Oocystis sp.

Oocystis

Spondylomorum quaternarium

Spondylomorum

Micractinium pusillum.  Photo Courtesy of EPA GLNPO

Micractinium

Pandorina sp.

Pandorina

Crucigenoia sp. Photo Courtesy of EPA GLNPO

Crucigenia

 

 

Quadrigula sp. Courtesy of EPA GLNPO

Quadrigula

Elakatothrix gelatinosa

Elakatothrix

Actinastrum hantzschii Courtesy of EPA GLNPO

Actinastrum

Selenastrum sp.

Selanastrum

Stephanosphaera sp.

Stephanosphaera

Polyedriopsis spinulosa

Polyedriopsis

Tetradesmus sp.

Tetradesmus

Tetrastrum glabrum

Tetrastrum

Dimorphococcus lunatus

Dimorphococcus

Scenedesmus sp.

Scenedesmus

Medium Colonies (to ~20-100 cells)

Sorastrum

Sorastrum

Kirchneriella lunaris Courtesy of EPA GLNPO

Kirchneriella

Dispora sp.

Dispora

Pediastrum sp.

Pediastrum

Platydorina sp.

Platydorina

NA

Gloedactinium (Gloeactinium)

Gloecystis sp.  Courtesy of EPA GLNPO.

Gloeocystis

Sphaerocystis schroeteri.  Photo Courtesy of EPA GLNPO.

Sphaerocystis

Eudorina elegans.  Photo courtesy of EPA GLNPO.

Eudorina

Coelastrum microporum - Courtesy of EPA GLNPO

Coelastrum

Pleodorina sp.

Pleodorina

Westella botryoides

Westella

Large Colonies (>100 cells)

Dichtyosphaerium pulchellum

Dictyosphaerium

Volvox sp.

Volvox

Hydrodictyon sp.

Hydrodictyon

Chlamydocapsa sp.

Chlamydocapsa

Botryococcus sp.

Botryococcus

Apiocystis sp.

Apiocystis

Cosmocladium sp.

Cosmocladium

Schizochlamys gelatinosa

Schizochlamys

Palmella sp.

Palmella

Palmodictyon sp.

Palmodictyon

Attached Filaments (including epiphytes and endophytes as well as benthic)

Uronema elongatum

Uronema

Aphanochaete sp. from Chassel Bay

Aphanochaete

Phyllosiphon sp.

Phyllosiphon

Chaetophora sp.

Chaetophora

Microthamnion sp.

Microthamnion

Stigeoclonium sp.

Stigeoclonium

Coleochaete sp.

Coleochaete

Draparnaldia sp.

Draparnaldia

Dichotomosiphon sp.

Dichotomosiphon

Vaucheria sp.

Vaucheria
(or floating mat)

Oedocladium sp.

Oedocladium

Trentepohlia sp.

Trentepohlia

Cladophora glomerata

Cladophora

Enteromorpha intestinalis

Enteromorpha

 

Attached or free-floating   Floating mats or tangled

Oedogonium sp.  note rings
Oedogonium

Ulothrix sp.

Ulothrix

Stichococcus sp.

Stichococcus

 

Pithophora sp.

Pithophora

Rhizoclonium sp.

Rhizoclonium

Planktonic Filaments

Microspora sp.

Microspora

Cylindrocapsa geminella

Cylindrocapsa

Sphhaeroplea annulina

Sphaeroplea

Radiofilum sp.

Radiofilum

Planktonema lauterbornii

Planktonema

Hormidium sp.

Hormidium

Hormidiopsis sp.

Hormidiopsis

Geminella sp.

Geminella

Binuclearia sp.

Binuclearia

Schizomeris sp.

Schizomeris

NA

Debarya

Mougeotia sp.

Mougeotia

Mougeotiopsis sp.

Mougeotiopsis

Spirogyra sp.

Spirogyra

Roya sp. - 1 cell

Roya

NA

Temnogametum

Zygnema sp.

Zygnema

Zygnemopsis sp.

Zygnemopsis

Zygogonium sp.

Zygogonium

Genicularia sp.

Genicularia

Gonatozygon pilosum

Gonatozygon

Desmidium sp.

Desmidium

Bambusina sp.

Bambusina

Phymatodocisnordstedtiana

Phymatodocis

Spondylosium sp.

Spondylosium

Sphaerozosma sp.

Sphaerozosma

Hyalotheca sp.

Hyalotheca

Onychonema sp.

Onychonema


Characeae (macrophytic)

Chara sp.

Chara

Nitella flexilis

Nitella

Nitellopsis sp.

Nitellopsis

Tolypella intricata

Tolypella

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