Desmids –
Archaeplastida (Part)
Observations on Closterium kuetzingii
Gallery Prof. Rupert Lenzenweger
Protisten / Home / Algae green-colored (2: Desmids): Streptophyta / Zygnematophyceae / Zygnematophycidae / Desmidiales / Closteriaceae / Closterium kuetzingii – Prof. R. Lenzenweger
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Closterium kuetzingii Brébisson 1856
Most likely ID: n.a.
Basionym: n.a.
Add’l Synonyms: Stauroceras intermedium Kützing 1849
Closterium rostratum var. kuetzingii (Brébisson) Klebs 1879
Arthrodia kuetzingiis (Brébisson) Kuntze 1891
Closterium kuetzingii var. onychosporum West & G.S.West 1905
Closterium kuetzingii var. laeve Willi Krieger 1935
Stauroceras kuetzingii (Brébisson) Cedergren 1938
Closterium kuetzingii f. sigmoideum Irénée-Marie 1939


Description: The cells are slender (L/W (15)–20–30–(40)) , spindle-shaped, almost straight, only slightly curved towards the cell ends, convex in the middle on the belly side. The cell ends are obliquely rounded, cell wall delicately striped, colorless to slightly brownish, without girdle bands. Similar forms are Closterium setaceum (is slimmer) and Closterium rostratum (significantly plumper).
Dimension: Length (200)–300–550–(700) µm, width (13)–15–25–(28) µm.
Occurrence: Widely found in shore zones of clean lakes, ponds and other small bodies of water, sometimes 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 class: “almost straight” to “very slightly curved”
Curvature index: 0.000–0.132
© 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
crassa
digitus
var. lamellosum
digitus
var. latum
oblongum
interruptum
spec.
spec.
kinahanii
spec.
polymorphum
var. polymorphum
spec.
spirostriolatum
digitus
brebissonii
rotata
swartzii
capitulum
antilopaeum
neosinuosum
brebissonii
pachydermum
thomasiana
var. notata
ansatum
forficulatum
var. verrucosum
neodepressum
armatum
oblongum
porteanum
truncata
rhomboidale
furcatum
uncinatum
dissiliens
pseudonitidulum
var. validum
truncata
var. bahusiensis
bidentatum
hirsutum
cucurbitinum
minor
pyramidatum
truncata
var. quadrata
binale
var. gutwinskii
inconspicuum
borreri
americana
quadratulum
trabecula
var. elongatum
coeseli
margaritacaeum
bicuneatum
apiculata
simplicius
crenulatum
crassum
simonyi
var. sparsiaculeatum
caelatum
crux-melitensis
sparsepunctatum
ehrenbergii
didelta
spongiosum
var. perbifidum
connatum
denticulata
subarctoum
trabecula
var. trabecula
humerosum
teliferum
dejectus
spec.
conspersum
komarekii
papillifera
arboricola
venustum
var. excavatum
viridis
pulchellum
tripus
granulatus
var. granulatus
subspicatus
humerosum
var. affine
nostochinearum
convergens
arcuata
integrum
aureus
rotata
lunaris
grevillei
lunatus
alternans
irregularis
laevis
var. laevis
ehrenbergianum
luetkemuelleri
var. carniolicum
reticulatum
tetras
limneticum
viridis
cystozygote
tetrachotoma
simplex
var. sturmii
biradiatum
microporum
var. octaedricum
braunii
reinhardtii
pusillum
lacustris
speculum
diaphanum