Desmids –
Archaeplastida (Part)
Observations on Closterium moniliferum
Gallery Prof. Rupert Lenzenweger
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Closterium moniliferum Ehrenberg ex Ralfs 1848
Most likely ID: n.a.
Basionym: n.a.
Add’l Synonyms: Lunulina monilifera Bory 1824
Arthrodia monilifera (Ralfs) Kuntze 1891
Closterium garoetianum C.Bernard 1908
Description: The cells are (4)–5–7–(8) times longer than they are wide, evenly curved and continuously narrowing towards the rounded cell ends. The cell wall is delicately striated to almost smooth, without girdle bands. The pyrenoids are arranged more or less in a row along the cell axis, which, in addition to the smaller dimensions, distinguishes this species from the morphologically similar Closterium ehrenbergii. The pyrenoids are numerous and scattered.
Dimension: Length (170)–200–350–(450) µm, width (28)–35–55–(70) µm.
Occurrence: Widely found in ponds and lakes, backwaters and the like, occasionally also in plankton.
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.
Characteristic data for the curvature according to Coesel & Meesters 2023
Curvature: rather strongly arched
Curvature index: 0.37–0.68
© 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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borreri
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