Cosmarium
Desmidiaceae –
Archaeplastida
Observations on Cosmarium pyramidatum
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Cosmarium pyramidatum Brébisson ex Ralfs 1848
Most likely ID: n.a.
Basionym: n.a.
Add’l Synonyms: Ursinella pyramidata (Brébisson) Kuntze ????
Sampling date 06/2023. Scale bars indicate 25 µm.
Three images.
| First: | Synoptic representation of the lobose chloroplasts. |
| Second: | Optical cross-section through the chloroplasts showing golden assimilate grains. |
| Third: | Optical cross-section through the chloroplasts showing pyrenoids. |
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: Wetland Lauchseemoor, Fieberbrunn (Tyrol, Austria)
Latitude: 47.46954439 Longitude: 12.53826499
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Sampling date 06/2013. Scale bar indicates 25 µm.
Place name: Wetland Mittermoos near Fieberbrunn (Tyrol, Austria)
Latitude: 47.47998695 Longitude: 12.5240922
Microscope Zeiss Universal, camera Canon EOS 600D.
Sampling date 06/2024. Scale bars indicate 25 µm.
Two images.
| First: | Synoptic representation of the cell wall. The cell wall pores can be seen as fine dots. |
| Second: | Optical cross-section through the chloroplasts showing the pyrenoids. |
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: Wetland Lauchseemoor, Fieberbrunn (Tyrol, Austria)
Latitude: 47.46954439 Longitude: 12.53826499
Microscope Zeiss Universal, camera Olympus OM-D M5 MKII. 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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New items
discoides
gibba
cassis
elongata
oblonga
bathystoma
capreolata
var. masurica
globulosa
truncata
parva
globularis
fimbriata
chinensis
wailesii
concinnus
filifera
lineare
urceolata
enchelys
oblonga
artocrea
crenulata
spec.
brevicolla
placentula
var. euglypta
bryophila
spiralis
galeata
mitrata
gibbosa
didelta
immanata
acuminata
granulata
mucosa
var. laevicincta
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brevicaulis
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teliferum
pseudopyramidatum












































