Skip to content
Tiny Organisms in Aquatic Habitats
Protisten.de
Menu
Home
Bacteria
Close
Proteobacteria
Cyanobacteria
and Chlorobi
Close
Algae without Flagella
Close
Diatoms
Other
Golden-brownish-
colored Algae
Green-colored
Algae (1)
Green-colored
Algae (2):
Desmids sensu lato
Reddish-colored
Algae
Close
Amoeboid Protists
Close
Naked Amoebae
Testate Amoebae
Heliozoic Amoebae
Close
Ciliates
Diatoms
Flagellate Organisms
Close
Colored Flagellates
Colorless Flagellates
Close
Metazoa
Organisms grouped by Taxonomy
Extended Observation Descriptions
Close
Amoeboid Protists
Close
Naked Amoebae
Close
Saccamoeba limax
Hunting for
Pyxidicula
Close
Testate Amoebae
Close
Pyxidicula
spec. as a Neuston Organism
Close
Heliozoic Amoebae
Close
Defecation in
Nuclearia
spec.
Nuclearia delicatula
, a Multinucleated Organism
Cell Division in
Nuclearia simplex
Raphidocystis pallida
as Neuston Member
Close
Close
Chlorophytes
Close
Chlorella
spec. as Zoochlorellae
Cystozygotes of
Eremosphaera viridis
Close
Streptophytes (Desmids)
Close
Mitochondria in
Micrasterias
Dictyosomes in
Micrasterias
Close
Ciliates
Close
Fine Structure of
Coleps hirtus
Carapace
Platycola longicollis
on Java Moss
Binary Fission in
Vorticella
Close
Diatoms
Close
Sexual Reproduction of
Melosira lineata
Close
Cnidaria
Close
Fine Structure of
Hydra viridissima
Close
Rotifers
Close
Ptygura kostei
on Java Moss
Ptygura longicornis
on Java Moss
Close
Close
Usage Hints
Table of Contents
Menu
Home
Bacteria
Close
Proteobacteria
Cyanobacteria and Chlorobi
Close
Algae without Flagella
Close
Diatoms
Other Golden-brownish-colored Algae
Green-colored Algae (1)
Green-colored Algae (2): Desmids sensu lato
Reddish-colored Algae
Close
Amoeboid Protists
Close
Naked Amoebae
Testate Amoebae
Heliozoic Amoebae
Close
Ciliates
Diatoms
Flagellate Organisms
Close
Colored Flagellates
Colorless Flagellates
Close
Metazoa
Organisms grouped by Taxonomy
Extended Observation Descriptions
Close
Amoeboid Protists
Close
Naked Amoebae
Close
Saccamoeba limax
Hunting for
Pyxidicula
Close
Testate Amoebae
Close
Pyxidicula
spec. as a Neuston Organism
Close
Heliozoic Amoebae
Close
Defecation in
Nuclearia
spec.
Nuclearia delicatula
, a Multinucleated Organism
Cell Division in
Nuclearia simplex
Raphidocystis pallida
as Neuston Member
Close
Close
Chlorophytes
Close
Chlorella
spec. as Zoochlorellae
Cystozygotes of
Eremosphaera viridis
Close
Streptophytes (Desmids)
Close
Mitochondria in
Micrasterias
Dictyosomes in
Micrasterias
Close
Ciliates
Close
Fine Structure of
Coleps hirtus
Carapace
Platycola longicollis
on Java Moss
Binary Fission in
Vorticella
Close
Diatoms
Close
Sexual Reproduction of
Melosira lineata
Close
Cnidaria
Close
Fine Structure of
Hydra viridissima
Close
Rotifers
Close
Ptygura kostei
on Java Moss
Ptygura longicornis
on Java Moss
Close
Close
Usage Hints
Search
Cyanobacteria and Chlorobi
All Items
Cyanobacteria
Close
Chroococcales
Close
Aphanothece
Close
Aphanothece
spec.
Aphanothece microscopica
Aphanothece stagnina
Chroococcus
Close
Chroococcus dispersus
Chroococcus minutus
Chroococcus subnudus
Chroococcus tenax
Chroococcus turgidus
Gomphosphaeria
Close
Gomphosphaeria aponina
Microcystis
Close
Microcystis aeruginosa
Nostocales
Close
Anabaena
Close
Anabaena
spec.
Anabaena lapponica
Anabaenopsis
Close
Anabaenopsis hungarica
Anabaenopsis milleri
Aphanizomenon
Close
Aphanizomenon
spec.
Aphanizomenon flos‑aquae
Cylindrospermum
Close
Cylindrospermum
spec.
Cylindrospermum majus
Dolichospermum
Close
Dolichospermum sigmoideum
Dolichospermum spiroides
Nodularia
Close
Nodularia spumigena
Nostoc
Close
Nostoc caeruleum
Nostoc commune
Nostoc sphaericum
Oscillatoriales
Close
Anagnostidinema
Close
Anagnostidinema lemmermannii
Cyanothece
Close
Cyanothece major
Lyngbya
Close
Lyngbya nigra
Oscillatoria
Close
Oscillatoria limosa
Synechococcales
Close
Aphanocapsa
Close
Aphanocapsa elachista
Merismopedia
Close
Merismopedia elegans
Merismopedia glauca
Microcrocis
Close
Microcrocis geminata
Chlorobi
Close
Chlorobium luteolum
Menu
All Items
Cyanobacteria
Chroococcales
Aphanothece
Aphanothece
spec.
Aphanothece microscopica
Aphanothece stagnina
Chroococcus
Chroococcus dispersus
Chroococcus minutus
Chroococcus subnudus
Chroococcus tenax
Chroococcus turgidus
Gomphosphaeria
Gomphosphaeria aponina
Microcystis
Microcystis aeruginosa
Nostocales
Anabaena
Anabaena
spec.
Anabaena lapponica
Anabaenopsis
Anabaenopsis hungarica
Anabaenopsis milleri
Aphanizomenon
Aphanizomenon
spec.
Aphanizomenon flos‑aquae
Cylindrospermum
Cylindrospermum
spec.
Cylindrospermum majus
Dolichospermum
Dolichospermum sigmoideum
Dolichospermum spiroides
Nodularia
Nodularia spumigena
Nostoc
Nostoc caeruleum
Nostoc commune
Nostoc sphaericum
Oscillatoriales
Anagnostidinema
Anagnostidinema lemmermannii
Cyanothece
Cyanothece major
Lyngbya
Lyngbya nigra
Oscillatoria
Oscillatoria limosa
Synechococcales
Aphanocapsa
Aphanocapsa elachista
Merismopedia
Merismopedia elegans
Merismopedia glauca
Microcrocis
Microcrocis geminata
Chlorobi
Chlorobium luteolum
Illustrated Key for
Bluegreen Algae – Cyanobacteria
Chroococcales
Aphanothece
spec.
Aphanothece
microscopica
Aphanothece
stagnina
Chroococcus
dispersus
Chroococcus
minutus
Chroococcus
subnudus
Chroococcus
tenax
Chroococcus
turgidus
Gomphosphaeria
aponina
Microcystis
aeruginosa
Aphanothece
spec.
Aphanothece
microscopica
Aphanothece
stagnina
Chroococcus
dispersus
Chroococcus
minutus
Chroococcus
subnudus
Chroococcus
tenax
Chroococcus
turgidus
Gomphosphaeria
aponina
Microcystis
aeruginosa
© Wolfgang Bettighofer 2023–2024
New items
Cylindrocystis
crassa
Netrium
digitus
var.
lamellosum
Netrium
digitus
var.
latum
Netrium
oblongum
Planotaenium
interruptum
Spirogyra
spec.
Zygnema
spec.
Gonatozygon
kinahanii
Mougeotia
spec.
Penium
polymorphum
var.
polymorphum
Mougeotia
spec.
Penium
spirostriolatum
Netrium
digitus
Cylindrocystis
brebissonii
Micrasterias
rotata
Desmidium
swartzii
Staurastrum
capitulum
Xanthidium
antilopaeum
Euastrum
neosinuosum
Tetmemorus
brebissonii
Cosmarium
pachydermum
Micrasterias
thomasiana
var.
notata
Euastrum
ansatum
Staurastrum
forficulatum
var.
verrucosum
Cosmarium
neodepressum
Xanthidium
armatum
Euastrum
oblongum
Cosmarium
porteanum
Micrasterias
truncata
Euastrum
rhomboidale
Staurastrum
furcatum
Xanthidium
uncinatum
Hyalotheca
dissiliens
Cosmarium
pseudonitidulum
var.
validum
Micrasterias
truncata
var.
bahusiensis
Euastrum
bidentatum
Staurastrum
hirsutum
Actinotaenium
cucurbitinum
Hyalotheca
minor
Cosmarium
pyramidatum
Micrasterias
truncata
var.
quadrata
Euastrum
binale
var.
gutwinskii
Staurastrum
inconspicuum
Bambusina
borreri
Micrasterias
americana
Cosmarium
quadratulum
Pleurotaenium
trabecula
var.
elongatum
Euastrum
coeseli
Staurastrum
margaritacaeum
Cosmarium
bicuneatum
Micrasterias
apiculata
Cosmarium
simplicius
Pleurotaenium
crenulatum
Euastrum
crassum
Staurastrum
simonyi
var.
sparsiaculeatum
Cosmarium
caelatum
Micrasterias
crux-melitensis
Cosmarium
sparsepunctatum
Pleurotaenium
ehrenbergii
Euastrum
didelta
Staurastrum
spongiosum
var.
perbifidum
Cosmarium
connatum
Micrasterias
denticulata
Cosmarium
subarctoum
Pleurotaenium
trabecula
var.
trabecula
Euastrum
humerosum
Staurastrum
teliferum
Staurodesmus
dejectus
Pandorina
spec.
Cosmarium
conspersum
Lemmermannia
komarekii
Micrasterias
papillifera
Trebouxia
arboricola
Cosmarium
venustum
var.
excavatum
Eremosphaera
viridis
Spondylosium
pulchellum
Goniochloris
tripus
Tetmemorus
granulatus
var.
granulatus
Desmodesmus
subspicatus
Euastrum
humerosum
var.
affine
Glaucocystis
nostochinearum
Staurodesmus
convergens
Raphidocelis
arcuata
Cosmarium
integrum
Volvox
aureus
Micrasterias
rotata
Crucigeniella
lunaris
Desmidium
grevillei
Dimorphococcus
lunatus
Staurastrum
alternans
Microspora
irregularis
Tetmemorus
laevis
var.
laevis
Dictyosphaerium
ehrenbergianum
Euastrum
luetkemuelleri
var.
carniolicum
Hydrodictyon
reticulatum
Stauridium
tetras
Pseudostaurastrum
limneticum
Eremosphaera
viridis
cystozygote
Hindakia
tetrachotoma
Monactinus
simplex
var.
sturmii
Parapediastrum
biradiatum
Coelastrum
microporum
var.
octaedricum
Pediastrum
braunii
Chlamydomonas
reinhardtii
Micractinium
pusillum
Haematococcus
lacustris
Octactis
speculum
Ceramium
diaphanum
New items
Cylindrocystis
crassa
Netrium
digitus
var.
lamellosum
Netrium
digitus
var.
latum
Netrium
oblongum
Planotaenium
interruptum
Spirogyra
spec.
Zygnema
spec.
Gonatozygon
kinahanii
Mougeotia
spec.
Penium
polymorphum
var.
polymorphum
Mougeotia
spec.
Penium
spirostriolatum
Netrium
digitus
Cylindrocystis
brebissonii
Micrasterias
rotata
Desmidium
swartzii
Staurastrum
capitulum
Xanthidium
antilopaeum
Euastrum
neosinuosum
Tetmemorus
brebissonii
Cosmarium
pachydermum
Micrasterias
thomasiana
var.
notata
Euastrum
ansatum
Staurastrum
forficulatum
var.
verrucosum
Cosmarium
neodepressum
Xanthidium
armatum
Euastrum
oblongum
Cosmarium
porteanum
Micrasterias
truncata
Euastrum
rhomboidale
Staurastrum
furcatum
Xanthidium
uncinatum
Hyalotheca
dissiliens
Cosmarium
pseudonitidulum
var.
validum
Micrasterias
truncata
var.
bahusiensis
Euastrum
bidentatum
Staurastrum
hirsutum
Actinotaenium
cucurbitinum
Hyalotheca
minor
Cosmarium
pyramidatum
Micrasterias
truncata
var.
quadrata
Euastrum
binale
var.
gutwinskii
Staurastrum
inconspicuum
Bambusina
borreri
Micrasterias
americana
Cosmarium
quadratulum
Pleurotaenium
trabecula
var.
elongatum
Euastrum
coeseli
Staurastrum
margaritacaeum
Cosmarium
bicuneatum
Micrasterias
apiculata
Cosmarium
simplicius
Pleurotaenium
crenulatum
Euastrum
crassum
Staurastrum
simonyi
var.
sparsiaculeatum
Cosmarium
caelatum
Micrasterias
crux-melitensis
Cosmarium
sparsepunctatum
Pleurotaenium
ehrenbergii
Euastrum
didelta
Staurastrum
spongiosum
var.
perbifidum
Cosmarium
connatum
Micrasterias
denticulata
Cosmarium
subarctoum
Pleurotaenium
trabecula
var.
trabecula
Euastrum
humerosum
Staurastrum
teliferum
Staurodesmus
dejectus
Pandorina
spec.
Cosmarium
conspersum
Lemmermannia
komarekii
Micrasterias
papillifera
Trebouxia
arboricola
Cosmarium
venustum
var.
excavatum
Eremosphaera
viridis
Spondylosium
pulchellum
Goniochloris
tripus
Tetmemorus
granulatus
var.
granulatus
Desmodesmus
subspicatus
Euastrum
humerosum
var.
affine
Glaucocystis
nostochinearum
Staurodesmus
convergens
Raphidocelis
arcuata
Cosmarium
integrum
Volvox
aureus
Micrasterias
rotata
Crucigeniella
lunaris
Desmidium
grevillei
Dimorphococcus
lunatus
Staurastrum
alternans
Microspora
irregularis
Tetmemorus
laevis
var.
laevis
Dictyosphaerium
ehrenbergianum
Euastrum
luetkemuelleri
var.
carniolicum
Hydrodictyon
reticulatum
Stauridium
tetras
Pseudostaurastrum
limneticum
Eremosphaera
viridis
cystozygote
Hindakia
tetrachotoma
Monactinus
simplex
var.
sturmii
Parapediastrum
biradiatum
Coelastrum
microporum
var.
octaedricum
Pediastrum
braunii
Chlamydomonas
reinhardtii
Micractinium
pusillum
Haematococcus
lacustris
Octactis
speculum
Ceramium
diaphanum