Observations on Rhoicosphenia abbreviata
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Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot 1980
Most likely ID: n.a.
Basionym: Gomphonema abbreviatum C.Agardh 1831
Add’l Synonyms: Gomphonema rotundatum Ehrenberg 1830
Gomphonema curvatum Kützing 1833
Rhoicosphenia curvata (Kützing) Grunow 1860
Rhoicosphenia curvata var. major Cleve 1895
Rhoicosphenia curvata var. subacuta M.Schmidt 1899
Gomphonema augur var. rotundatum (Ehrenberg) Playfair 1914
Gomphonema rotundatum Ehrenberg 1830
Rhoicosphenia curvata var. genuina A.Cleve 1953
Sampling date 10/2011. Scale bars indicate 10 µm.
Two images.
First: | Rhoicosphenia abbreviata living as epibiont on red alga Ceramium. Scale bar indicates 10 µm. |
Second: | Rhoicosphenia abbreviata living as epibiont on red alga Ceramium together with Cocconeis. Scale bar indicates 10 µm. |
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Hiddensee Bodden (Germany)
Latitude: 54.582633 Longitude: 13.115051
Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.
Sampling date 10/2009. Scale bars indicate 10 µm.
Three images.
First: | Rhoicosphenia abbreviata is a tiny araphid desmid living attached on substratum by a jelly stalk. |
Second: | The substratum here is the red alga Polysiphonia fibrillosa. The other epibionts are Cocconeis and a filamentous colony of the cyanobacteria Pseudanabaena. |
Third: | Rhoicosphenia abbreviata living as epibiont on red alga Polysiphonia fibrillosa together with Cocconeis and filamentous colonies of the cyanobacteria. The fine filaments belong to genus Pseudanabaena, and the wider filament inserting on the stalk of Rhoicosphenia belongs to genus Homeothrix. |
Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!
Place name: Hiddensee Bodden (Germany)
Latitude: 54.582633 Longitude: 13.115051
Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.
© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.
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crassa
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var. lamellosum
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var. latum
oblongum
interruptum
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kinahanii
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var. notata
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var. verrucosum
neodepressum
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oblongum
porteanum
truncata
rhomboidale
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uncinatum
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hirsutum
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conspersum
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viridis
pulchellum
tripus
granulatus
var. granulatus
subspicatus
humerosum
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New items
crassa
digitus
var. lamellosum
digitus
var. latum
oblongum
interruptum
spec.
spec.
kinahanii
spec.
polymorphum
var. polymorphum
spec.
spirostriolatum
digitus
brebissonii
rotata
swartzii
capitulum
antilopaeum
neosinuosum
brebissonii
pachydermum
thomasiana
var. notata
ansatum
forficulatum
var. verrucosum
neodepressum
armatum
oblongum
porteanum
truncata
rhomboidale
furcatum
uncinatum
dissiliens
pseudonitidulum
var. validum
truncata
var. bahusiensis
bidentatum
hirsutum
cucurbitinum
minor
pyramidatum
truncata
var. quadrata
binale
var. gutwinskii
inconspicuum
borreri
americana
quadratulum
trabecula
var. elongatum
coeseli
margaritacaeum
bicuneatum
apiculata
simplicius
crenulatum
crassum
simonyi
var. sparsiaculeatum
caelatum
crux-melitensis
sparsepunctatum
ehrenbergii
didelta
spongiosum
var. perbifidum
connatum
denticulata
subarctoum
trabecula
var. trabecula
humerosum
teliferum
dejectus
spec.
conspersum
komarekii
papillifera
arboricola
venustum
var. excavatum
viridis
pulchellum
tripus
granulatus
var. granulatus
subspicatus
humerosum
var. affine
nostochinearum
convergens
arcuata
integrum
aureus
rotata
lunaris
grevillei
lunatus
alternans
irregularis
laevis
var. laevis
ehrenbergianum
luetkemuelleri
var. carniolicum
reticulatum
tetras
limneticum
viridis
cystozygote
tetrachotoma
simplex
var. sturmii
biradiatum
microporum
var. octaedricum
braunii
reinhardtii
pusillum
lacustris
speculum
diaphanum