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Desmid species
A-G
Actinotaenium
cucurbita
cucurbitinum
curtum
didymocarpum
diplosporum (forma maius)
inconspiquum
kriegeri
mooreanum
phymatosporum
pinicola
riethii
rufescens
silvae-nigrae
subtile
turgidum
Bambusina
brebissonii
Closterium
acerosum
aciculare
acutum
angustatum
attenuatum
baillyanum
calosporum
closterioides
cornu
costatum
cynthia
delpontei
directum
gracile
juncidum
limneticum
lineatum
lunula
moniliferum
navicula
nematodes
pusillum
setaceum
striolatum
subscoticum
turgidum
Cosmarium
angulare
amoenum
anceps
biretum
botrytis
brebissonii
caelatum
cataractarum
commissurale
connatum
conspersum
cosmarioides
cyclicum
denboeri
difficile
excavatum
formosulum
granatoides
granatum
hexalobum
holmiense
humile
impressulum
margaritiferum
meneghinii
microsphinctum
monomazum
nasutum
nymannianum
obliquum
obsoletum
obtusatum
ornatum
ovale
paragranatoides
perforatum
pericymatium
portianum
protractum
pseudoconnatum
pseudoinsigne
pseudopyramidatum
punctulatum
pyramidatum
quinarium
ralfsii
regnellii
regnesi
reniforme
sphyrelatum
striolatum
subexcavatum
subgranatum
subprotumidum
taxichondriforme
tetrachondrum
turpinii
ungarianum var. subtriplicatum
venustum
Cosmocladium
constrictum
perissum
saxonicum
Cylindrocystis
brebissonii
gracilis
Desmidium
aptogonum
baileyi
grevillei (cylindricum)
swartzii
Docidium
baculum
undulatum
Euastrum
ampullaceum
ansatum
bidentatum
++
binale
biscrobiculatum
coeselii
crassum
denticulatum
dubium
elegans
gayanum
germanicum
humerosum
insigne
insulare
lacustre
luetkemuelleri
oblongum
pectinatum
pinnatum
pseudotuddalense
pulchellum
ventricosum
verrucosum
Gonatozygon
aculeatum
brebissonii
kinahanii
monotaenium
H-R
Haplotaenium
minutum
rectum
Heimansia
pusilla
species
Hyalotheca
dissiliens
mucosa
Mesotaenium
caldariorum
endlicherianum
macrococcum
Micrasterias
americana
apiculata
brachyptera
crux-melitensis
denticulata
fimbriata
furcata
jenneri
oscitans
papillifera
pinnatifida
radiosa
rotata
thomasiana
truncata
Netrium
digitus
interruptum
oblongum
Penium
exiguum
margaritaceum
polymorphum
spirostriolatum
Pleurotaenium
archeri
coronatum
ehrenbergii
nodulosum
simplicissimum
trabecula
truncatum
Roya
closterioides
obtusa
S-X
Sphaerozosma
aubertianum
filiforme
vertebratum
Spirotaenia
condensata
diplohelicn
erythrocephala
Spondylosium
ellipticum
pulchellum
Staurastrum
alternans
arachne
bloklandiae
brachiatum
brebissonii
brevispina
chaetoceras
cingulum
controversum
crassangulatum
diacanthum
dilatatum
echinatum
elongatum
furcatum
furcigerum
habeebense
heimerlianum
hirsutum
hystrix
lapponicum
levanderi
margaritaceum
monticulosum
pileolatum
pingue
polytrichum
punctulatum
pyramidatum
scabrum
sexcostatum
spongiosum
teliferum
tetracerum
vestitum
Staurodesmus
convergens
cuspidatus
dejectus
dickiei
extensus
glaber
mucronatus
omearae
patens
pterosporus
triangularis
Teilingia
granulata
Tetmemorus
brebissonii
granulatus
laevis
Tortitaenia
bahusiensis
closterioides
obscura
trabeculata
Xanthidium
antilopaeum
armatum
basidentatum
bifidum
cristatum
fascicultum
octocorne
tenuissimum
variabile
Year
2023
June - Staurastrum levanderi
May - Cosmarium microsphinctum
April - Closterium subscoticum
March - Cosmarium impressulum
February - Cosmarium angulare
January - Staurastrum heimerlianum
2022
December - Closterium juncidum
November - Cosmarium nasutum
October - Cosmarium cosmarioides
September - Staurodesmus patens
August - Closterium turgidum
July - Cosmarium subexcavatum
June - Cosmarium conspersum
May - Cosmarium excavatum
April - Closterium directum
March - Cosmarium anceps
February - Cosmarium biretum
January - Closterium baillyanum
2021
December - Staurastrum cingulum
November - Cosmarium paragranatoides
October - Closterium attenuatum
September - Cosmarium granatoides
August - Cosmarium meneghinii
July - Cosmarium commissurale
June - Cosmarium pseudopyramidatum
May - Staurastrum pingue
April - Pleurotaenium simplicissimum
March - Cosmarium ornatum
February - Gonatozygon aculeatum
January - Staurastrum monticulosum
2020
December - Cosmarium granatum
November - Staurastrum tetracerum
October - Actinotaenium cucurbitinum
September - Staurodesmus triangularis
August - Cosmarium regnellii
July - Staurastrum hirsutum
June - Euastrum ansatum
May - Cosmarium monomazum
April - Cosmarium regnesi
March - Actinotaenium pinicola
February -Staurastrum crassangulatum
January - Euastrum biscrobiculatum
2019
December - Cosmarium hexalobum
November - Euastrum pulchellum
October - Cosmarium sphyrelatum
September - Cosmarium margaritiferum
August - Xanthidium tenuissimum
July - Euastrum denticulatum
June - Cosmarium caelatum
May - Cosmarium difficile
April - Spirotaenia diplohelica
March - Staurastrum arachne
February - Euastrum gayanum
January - Cosmarium nasutum
2018
December - Actinotaenium kriegeri
November - Staurastrum dilatatum
October - Euastrum pinnatum
September - Cosmarium pseudoconnatum
August - Cosmarium connatum
July - Staurastrum margaritaceum
June -Closterium nematodes
May - Cosmarium pachydermum
April - Euastrum dubium
March -Staurastrum lapponicum
February - Cosmarium humile
January - Actinotaenium riethii
2017
December - Closterium lineatum
November - Euastrum luetkemuelleri
Octtober - Cosmarium pyramidatum
September - Staurastrum punctulatum
August - Closterium limneticum
July - Tortitaenia bahusiensis
June - Pleurotaenium archeri
May - Cosmarium cyclicum
April - Euastrum coeselii
March - Staurastrum pileolatum
February - Cosmarium obtusatum
January - Closterium gracile
2016
December - Staurodesmus glaber
November - Cosmarium taxichondriforme
October - Heimansia pusilla
September - Pleurotaenium nodulosum
August - Euastrum lacustre
July - Cosmarium tetrachondrum
June - Euastrum insulare
May - Staurastrum brebissonii
April - Closterium cornu
March - Actinotaenium mooreanum
February - Cosmarium denboeri
January - Cosmarium cataractarum
2015
December - Staurastrum pyramidatum
November - Staurodesmus dickiei
October - Closterium moniliferum
September - Staurastrum controversum
August - Euastrum ventricosum
July - Actinotaenium inconspiquum
June - Cosmarium formosulum
May - Xanthidium bifidum
April - Staurastrum brevispina
March - Cosmarium amoenum
February - Closterium acutum
January - Tortitaenia trabeculata
2014
December - Staurastrum echinatum
November - Micrasterias furcata
October - Staurastrum furcatum
September - Cosmarium protractum
August - Staurodesmus pterosporus
July -Staurodesmus omearae
June - Closterium calosporum
May - Pleurotaenium truncatum
April - Cosmarium portianum
March - Sphaerozosma aubertianum
February - Staurastrum scabrum
January - Micrasterias radiosa
2013
December - Staurodesmus dejectus
November - Staurastrum alternans
October - Closterium closterioides
September - Cosmarium botrytis
August - Euastrum pseudotuddalense
July - Staurastrum teliferum
June - Gonatozygon kinahanii
May - Xanthidium variabile
April - Actinotaenium turgidum
March - Haplotaenium rectum
February - Staurastrum vestitum
January - Cosmarium obsoletum
2012
December - Euastrum crassum
November - Closterium cynthia
October - Hyalotheca mucosa
September - Heimansia species
August - Actinotaenium curtum
July - Cosmarium turpinii
June - Staurastrum elongatum
May - Pleurotaenium ehrenbergii
April - Euastrum ampullaceum
March - Closterium acerosum
February - Roya closterioides
January - Cosmarium quinarium
2011
December - Staurastrum sexcostatum
November - Desmidium aptogonum
October - Actinotaenium phymatosporum
September - Cosmarium nymannianum
August - Xanthiddiuum basidentatum
July - Closterium angustatum
June - Staurastrum polytrichum
May - Cosmarium brebissonii
April - Actinotaenium rufescens
March - Closterium striolatum
February - Staurastrum bloklandiae
January - Cosmarium subprotumidum
2010
December - Pleurotaenium coronatum
November - Actinotaenium subtile
October - Spharozosma filiforme
September - Docidium undulatum
Augustus - Xanthidium fasciculatum
July - Closterium navicula
June - Staurastrum hystrix
May - Cosmarium ungerianum var. subtriplicatum
April - Euastrum insigne
March - Cosmarium venustum
February - Actinotaenium silvae-nigrae
January - Penium polymorphum
2009
December - Desmidium baileyi
November - Closterium pusillum
October - Cosmarium perforatum
September - Gonatozygon brebissonii
August - Cosmarium ovale
July - Penium exiguum
June - Cosmocladium perissum
May - Euastrum binale
April - Netrium oblongum
March - Cosmarium punctulatum
February - Tetmemorus laevis
January - Staurodesmus cuspidatus
2008
December - Penium spirostriolatum
November - Cosmarium reniforme
October - Docidium baculum
September - Actinotaenium cucurbita
August - Xanthidium octocorne
July - Tetmemorus granulatus
June - Cosmarium obliquum
May - Staurastrum spongiosum
April - Cosmarium subgranatum
March - Xanthidium cristatum
February - Cosmocladium constrictum
January - Micrasterias oscitans
2007
December - Cylindrocystis gracilis
November - Micrasterias denticulata
October - Closterium delpontei
September - Netrium interruptum
August - Teilingia granulata
July - Euastrum bidentatum
June - Staurastrum diacanthum
May - Sphaerozosma vertebratum
April - Spondylosium pulchellum
March - Staurodesmus extensus
February - Spirotaenia erythrocephala
January - Euastrum elegans
2006
December - Closterium setaceum
November - Actinotaenium diplosporum
October - Closterium lunula
September - Euastrum pectinatum
August - Haplotaenium minutum
July - Gonatozygon monotaenium
June - Cylindrocystis brebissonii
May - Micrasterias jenneri
April - Roya obtusa
March - Euastrum humerosum
February - Mesotaenium macrococcum
January - Xanthidium armatum
2005
December - Desmidium grevillei
November - Cosmarium pericymatium
October - Xanthidium antilopaeum
September - Bambusina brebissonii
August - Mesotaenium caldariorum
July - Micrasterias papillifera
June - Micrasterias rotata
May - Pleurotaenium trabecula
April - Cosmarium ralfsii
March - Closterium costatum
February - Micrasterias brachyptera
January - Tetmemorus brebissonii
2004
December - Euastrum oblongum
November - Staurodesmus mucronatus
October - Staurastrum furcigerum
September - Cosmarium striolatum
August - Tortitaenia obscura
July - Spirotaenia condensata
June - Cosmocladium saxonicum
May - Micrasterias truncata
April - Cosmarium holmiense
March - Penium margaritaceum
February - Micrasterias apiculata
January - Staurastrum habeebense
2003
December - Netrium digitus
November - Micrasterias pinnatifida
October - Closterium aciculare
September - Spondylosium ellipticum
August - Desmidium swartzii
July - Micrasterias fimbriata
June - Actinotaenium didymocarpum
May - Hyalotheca dissiliens
April - Cosmarium pseudoinsigne
March - Euastrum verrucosum
February - Staurodesmus convergens
January - Staurastrum brachiatum
2002
December - Tortitaenia closterioides
November - Staurastrum chaetoceras
October - Mesotaenium endlicherianum
September - Micrasterias thomasiana
August - Euastrum germanicum
July - Micrasterias crux-melitensis
June - Micrasterias americana
Additions
Euastrum humerosum (December)
Micrasterias oscitans (June)
Cosmarium cyclicum (June)
Cosmarium obliquum (March)
2017
Actinotaenium mooreanum (March)
2016
Rotifer eating Micrasterias rotata (September)
Netrium digitus
Bambusina brebissonii (June)
Actinotaenium subtile (January)
2015
Spondylosium pulchellum
Micrasterias rotata
Pleurotaenium trabecula - (September)
Micrasterias crux-melitensis
Micrasterias brachyptera
Micrasterias apiculata (August)
Micrasterias denticulata
Micrasterias pinnatifida (July)
Actinotaenium diplosporum (May)
Cosmarium botrytis
Sphaerozosma aubertianum - (March)
Closterium costatum (March)
2014
Sphaerozosma filiforme (November)
Penium spirostriolatum (September)
Actinotaenium diplosporum (August)
Penium margaritaceum (July)
Euastrum pectinatum (June)
Desmidium aptogonum (May)
Staurastrum spongiosum (April)
Micrasterias papillifera (April)
Euastrum insigne (April)
Desmidium baileyi (March)
Cosmarium ovale (February)
Staurastrum furcigerum (February)
Euastrum germanicum (January)
Euastrum bidentatum (December)
Cosmarium striolatum (November)
Cosmarium perforatum (October)
Cosmarium quasillus
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