Vermont Limnology Phytoplankton ID Guide

Instructions:

This is a phytoplankton identication database created with the purpose to help individuals learning how to identify phytoplankton. To use the database, you can use the search bar to filter for specific genera or species. The buttons can be used to sort by taxa and morphology. All three filtering options work together. Hover over the images for genus and species (if applicable). Click on the image to enlarge it, and to find out anymore information about photos, size, etc.

Taxa

Morphology

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Desmidium sp.
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Mougeotia sp.
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Ulothrix sp.
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Zygnema sp.
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Dolichospermum crassum
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Anabaenopsis sp.
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Aphanizomenon flos-aquae
Chlamydomonas sp.
Melosira sp.
Ceratium hirundinella
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Cylindrospermopsis sp.
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Lyngbya sp.
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Oscilliatoria sp.
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Planktolyngbya sp.
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Planktothrix rubescens
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Pseudanabaena sp.
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Raphidopsis sp.
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Spirulina sp.
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Aulacoseira sp.
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Chlorognium sp.
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Closteriopsis sp.
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Closterium sp.
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Cosmarium sp.
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Elakatothrix sp.
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Euastrum sp.
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Golenkenia sp.
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Lagerheimia sp.
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Schroderia sp.
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Staurastrum sp.
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Tetraedron sp.
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Chroococcus sp.
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Synechoccus sp.
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Cryptomonas sp.
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Achnanthes sp.
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Amphipleura sp.
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Amphora sp.
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Caloneis sp.
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Campylodiscus sp.
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Cocconeis sp.
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Cyclotella meneghiniana
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Cyclotella meneghiniana
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Cymatopleura sp.
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Cymbella sp.
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Diatomella balforiana
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Diploneis sp.
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Entomoneis sp.
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Epithemia sp.
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Frustulia sp.
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Gomphonema sp.
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Gyrosigma sp.
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Hantzchia amphyoxis
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Pinnularia sp.
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Navicula sp.
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Rhopalodia sp.
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Stauroneis sp.
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Stephanodiscus sp.
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Surirella sp.
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Ulnaria sp.
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Ceratium hirundinella
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Peridinium sp.
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Trachelomonas sp.
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Actinastrum sp.
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Actinastrum hantzschii
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Botryococcus braunii
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Coelastrum sp.
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Coelastrum sp. 1000x magnification
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Crucigenia sp.
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Crucigenia tetrapedia
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Dictyosphaerium sp.
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Eudorina sp.
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Gloeocystis sp.
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Kirchneriella sp.
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Micractinium pusillum
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Micractinium pusillum
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Oocystis sp.
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Pandorina sp.
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Quadrigula sp.
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Scenedesmus sp.
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Selenastrum westii
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Sorastrum spinulosum
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Sphaerocystis sp.
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Sphaerocystis sp.
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Scenedesmus sp.
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Tetrastrum sp.
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Tetraspora sp.
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Volvox sp.
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Aphanocapsa sp.
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Aphanocapsa holistica
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Aphanothece sp.
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Aphanothece sp.
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Gloeotrichia sp.
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Gloeotrichia sp.
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Gloeotrichia echinulata
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Gomphosphaeria aponina
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Merismopedia sp.
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Microcystis flos-aquae
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Microcystis aeruginosa
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Snowella sp.
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Snowella sp.
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Woronichinia sp.
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Woronichinia sp.
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Woronichinia naegeliana
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Woronichinia naegeliana
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Asterionella formosa
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Asterionella formosa
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Fragilaria sp.
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Tabellaria sp.
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Diatoma sp.
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Dinobryon sp.
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Dinobryon sociale var. americanum
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Euglena sp.
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Euglena elastica
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Komma caudata
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Lepocinclis sp.
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Mallomonas sp.
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Phacus sp.
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Synura sp.
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Cryptomonas marsonii
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Plagioselmis nanoplanctica
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Aphanizomenon flos-aquae
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Cylindrospermopsis raciborskii
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Cylindrospermopsis raciborskii
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Dolichospermum crassum
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Dolichospermum flos-aquae
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Dolichospermum mucosum
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Dolichospermum mucosum
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Romeria simplex
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Romeria simplex
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Staurastrum sp.
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Aulacoseira granulata
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Aulacoseira granulata
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Trachelomonas sp.
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Desmodesmus intermedius
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Eudorina unicocca
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Pandorina morum
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Schroederia sp.
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Schroederia sp.
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Chrysochromulina parva
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Ankistrodesmus fusiformis
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Craticula sp.
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Eunotia sp.
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Microcystis sp.
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Dolichospermum lemmermannii
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Dolichospermum lemmermannii
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Stigeoclonium sp.
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Stigeoclonium sp.
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Microcystis aeruginosa
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Parts of Ceratium sp.
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Melosira sp.
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Spirogyra sp.