Staurastrum and
Staurodesmus
Desmidiaceae –
Archaeplastida
Observations on Staurastrum gratum
Gallery Prof. Rupert Lenzenweger
Position in the EOL taxonomic tree. Please click on the tree view below to access EOL (Encyclopedia of Life).
Staurastrum gratum R.M.Whelden 1947
Most likely ID: n.a.
Basionym: n.a.
Add’l Synonyms: n.a.
Description: The cells are 1/3 longer than wide coarsely oval in shape, tri-radial, but similar to a Cosmarium. Thr central cuts are shallow, the cell edges with small waves. The cell wall is covered with concentric rings of small warts. The vertex view is triangular with broadly rounded off ends.
Dimension: Length appr. 40 µm, width appr. 30 µm.
Occurrence: Known only from northern areas (Baffin Island and Labrador).
Original graphic by Prof. Lenzenweger.
Copyright by Prof. Rupert Lenzenweger, Ried im Innkreis, Austria.
© 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
rectum
bacillifera
brevicaulis
nasutum
striolatum
teliferum
pseudopyramidatum