Algal Toxin Analysis, Algal Identification & Research

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Micrographs of cyanobacteria

This section contains images of cyanobacteria under magnification for general identification purposes. They are not intended to be used for specific algal identification and are not indicated for recommendations of treatment or other control methods. Natural coloration may be altered by preservation or optics.

Anabaena ambigua
Anabaena circinalis
Anabaena crassa
Anabaena eucompacta
Anabaena flos-aquae
Anabaena fusca
Anabaena lemmermannii
A. lemmermannii akinetes
Anabaena macrospora
Anabaena mendotae
Anabaena planctonica
Anabaena smithii
Anabaenopsis circularis
Anabaenopsis cunningtonii
Anabaenopsis elenkii
Aphanizomenon flos-aquae
Aphanizomenon flos-aquae

Aphanizomenon gracile

Aphanizomenon cf. klebahnii
Aphanizomenon skujae

Aphanocapsa delicatissma
Aphanocapsa holsatica
Aphanocapsa incerta
Aphanocapsa planctonica
Aphanothece bacilloidea
Aphanothece clathrata
Aphanothece elabens
Aphanothece stagnina
Aphanothece variabilis
Arthrospira jenneri
Arthrospira maxima
Borzia sp.
Calothrix sp.(Epi-fluorescence)
Chamaesiphon sp.

Chroococcus turgidus

Chrysosporum ovalisporum

Coelomoron sp.
Coelosphaerium sp.
Cronbergia sp.
Cuspidothrix issatschenkoi
Cyanocatena sp.
Cyanocystis sp.
Cyanodictyon sp.
Cyanogranis ferruginea
Cylindrospermopsis raciborskii (spiral morph)
Cylindrospermopsis raciborskii (straight morph)
Cylindrospermopsis raciborskii (straight Raphidiopsis morph)
Cylindrospermopsis raciborskii (undulate morph)

Cylindrospermopsis raciborskii (undulate Raphidiopsis morph)
Cylindrospermum licheniforme
Eucapsis parallelepipedon


Geitlerinema splendidum


Glaucospira sp.

Gloeocapsa sp.

Gloeotrichia natans

Gomphosphaeria semen-vitis

Hapalosiphon sp.

Heteroleibleinia sp. (Epi-fluorescence)
Homoeothrix sp. (apical end)
Homoeothrix sp.(basal end)

Hydrococcus sp.
Jaaginema sp.
Johannesbaptistia sp.
Komvophoron constrictum
Lemmermanniella sp.
Leptolyngbya sp.
Limnothrix redekei
Lyngbya wollei
Merismopedia punctata
Microchaete sp.
Microcoleus lacustris
Microcystis aeruginosa
Microcystis botrys
Microcystis panniformis
Microcystis virdis
Microcystis wesenbergii
Nodularia spumigena
Nostoc commune
Nostochopsis lobata
Oscillatoria limosa
Oscillatoria princeps
Phormidium cf. retzii
Phormidium favosum
Planktolyngbya contorta
Planktolyngbya limnetica
Planktothrix agardhii
Plectonema sp.
Pseudanabaena limnetica
Radiocystis geminata
Rhabdoderma lineare
Romeria cf. elegans
Scytonema coactile
Snowella lacustris
Snowella litoralis

Spirulina subsalsa

Stichosiphon regularis (on Rhizoclonium)
Stigonema sp.
Synechococcus cf. nidulans
Synechocystis aquatilis
Tapinothrix sp.
Tolypothrix tenuis
Trichodesmium sp
Woronichinia naegeliana

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