Planktothrix rubescens (De Candolle. ex Gomont) Anagnostidis & Komárek

Archiv für Hydrobiologie 80: 416 (1988). — Basionym: Oscillatoria rubescens DC. ex Gomont, Annales des Sciences Naturelles, Botanique, Série 7, 16: 204 (Gomont 1892).

DESCRIPTION. — Trichome solitary, straight, gradually attenuated at the end, not constricted at the cross-walls; cells granulated, mostly granulated at the septa; apical cell capitate with convex calyptra (Fig. 8G).

DIMENSION. — Trichome 6.2-8.0 µm broad and cells 2.1-4.1 µm long.

ENVIRONMENT & HABITAT. — Freshwater species; lake; temperature 4°C.