Desmids –
Archaeplastida (Part)
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
striolatum
teliferum
pseudopyramidatum
pyramidatum
scabrum
capitulum
forficulatum
oligacanthum
var. incisum
chlamydosporum
arcuatum
var. subavicula
truncata
var. quadrata
rubescens
venustum
var. excavatum
ralfsii
var. montanum
ralfsii
digitus
acerosum
intermedium
dissiliens
kuetzingii
ralfsii
var. hybridum
aureus
botrytis
quadratum
quadrum
crassa
digitus
var. lamellosum
digitus
var. latum
oblongum
interruptum
spec.
spec.
kinahanii
spec.
polymorphum
var. polymorphum
brebissonii
rotata
swartzii
antilopaeum
neosinuosum
thomasiana
var. notata
forficulatum
var. verrucosum
armatum
oblongum
rhomboidale
furcatum
uncinatum
hirsutum
cucurbitinum
minor
borreri
americana
coeseli
apiculata
simplicius
crassum
simonyi
var. sparsiaculeatum
caelatum
crux-melitensis
ehrenbergii
didelta
spongiosum
var. perbifidum
denticulata
dejectus
conspersum
papillifera
komarekii
arboricola
venustum
var. excavatum
pulchellum
tripus
subspicatus
convergens
nostochinearum
arcuata
grevillei
laevis
var. laevis
reticulatum
viridis
cystozygote
reinhardtii
lacustris
speculum