Desmids –
Archaeplastida (Part)
Observations on Euastrum verrucosum
Gallery Prof. Rupert Lenzenweger
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Euastrum verrucosum Ehrenberg ex Ralfs 1848
Most likely ID: n.a.
Basionym: n.a.
Add’l Synonyms: Cosmarium quadrangulare Corda 1839
Cosmarium baillyanum Brébisson ex Meneghini 1840
Cosmarium verrucosum (Ehrenberg) Meneghini ????
Euastrum verrucosum f. genuina Raciborski ????
Dimension: Length (70)–80–110–(120) µm, width (65)–70–105–(120) µm, L/W (0.95)–1.05–1.15–(1.2).
Occurrence: Acidophilic alga, as an accompanying species in acidic sphagnum bog pits, silting zones of moor lakes, alpine ponds and the like up to 2000 m. Also widespread in lowlands.
Left: Original graphic by Prof. Lenzenweger.
Right: Photomicrograph by Prof. Lenzenweger. For microphotography, the microscope illumination was adjusted in such a way that as many features as possible that are important for species identification are prominently displayed.
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
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var. notata
forficulatum
var. verrucosum
armatum
oblongum
rhomboidale
furcatum
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hirsutum
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minor
borreri
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caelatum
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denticulata
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pulchellum
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