https://www.protisten.de/home-new/algae-green-colored-2-desmidiaceae-cosmarium/cosmarium-protractum-var-procerum-prof-r-lenzenweger/
Cosmarium protractum var. procerum - Prof. R. Lenzenweger - Protisten.de
Aug 24, 2026 - Observation on Cosmarium protractum var. procerum - Prof. R. Lenzenweger (Archaeplastida, Chloroplastida, Streptophyta, Zygnematophyceae, Zygnematophycidae,...
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