Desmids –
Archaeplastida (Part)
Observations on Cosmarium pachydermum
Gallery Prof. Rupert Lenzenweger
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Cosmarium pachydermum P.Lundell 1871
Most likely ID: n.a.
Basionym: n.a.
Add’l Synonyms: Ursinella pachyderma (P.Lundell) Kuntze ????
Description: The cells are up to 1.4 times longer than wide and coarsely elliptical in shape. The cell halves are semicircular. The central cuts are narrowly rounded on the inside and extend strongly to the outside. The cell wall is thick. Some areas are covered closely, others are covered loosely with standing pores. The vertex view is broadly elliptical.
Dimension: Length 80–125 µm, width 60–92 µm.
Occurrence: Acidophilic alga, widely spread in sphagnum bogs.
Left: Original graphic by Prof. Lenzenweger.
Right: Photomicrograph by Wolfgang Bettighofer.
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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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
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hirsutum
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borreri
americana
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caelatum
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