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

Gupta, Pratibha, 2021, First report of diversity of Cyanobacteria of Broknes Peninsula of Larsemann Hills, East Antarctica, Cryptogamie, Algologie 20 (15), pp. 241-251 : 249

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.

Figures

FIG. 8. — Cyanoprokaryotes of Broknes Peninsula. A, Chroococcus minutus (Kütz.) Nägeli; B, Gloeocapsa biformis Ercegovic; C, Cyanosarcina burmensis Skuja, D, Oscillatoria anguina (Bory) Gomont; E, Oscillatoria curviceps C.Agardh ex Gomont; F, Oscillatoria limosa C.Agardh ex Gomont; G, Planktothrix rubescens (DC. ex Gomont) Anagn. & Komárek; H, Lyngbya confervoides C.Agardh ex Gomont; I, Phormidium ambiguum Gomont; J, Phormidium bekesiense (I.Kiss) K.Kiss,; K, Oscillatoria jenensis G.Schmid; L, Phormidium subfuscum Kütz. ex Gomont; M, Oscillatoria tenuis C.Agardh ex Gomont; N, Aulosira fritschii Bharadwaja; O, Coleospermum goeppertianum (goppertianum) Kirch. ex Frank; P, Stigonema mesentericum Geitler. Scale bars: A, N, O, 30 µm; B, C, F, I, L, 10 µm; D, E, G, H, J, K, M, P, 20 µm.