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(Komárek & Anagnostidis 2005, pg. 587, fig. 877)
Phylum: Cyanobacteria
Class: Cyanophyceae
Order: Oscillatoriales
Family: Oscillatoriaceae
Genus: Oscillatoria
Trichomes blue-green, solitary, usually straight, ungranulated cross walls, walls not
attenuated at the ends. Apical cells rounded without calyptra. Cells 1-2 µm long, 5-6 µm in
diameter.
Accession No. CTR00067
18. Oculatella Zammit, Billi &Albertano (Pl. 2, Fig. C)
(http://www.algaebase.org)
Phylum: Cyanobacteria
Class: Cyanophyceae
Order: Oscillatoriales
Family: Oscillatoriaceae
Genus: Oculatella
Filamentous cyanobacteria, forming reddish, sometimes greenish compact subaerophytic
biofilms on solid calcareous substrata. Filaments fine, long, coiled into clusters and wavy,
unsheathed and mostly unbranched. Sheaths colourless, thin, firm, enveloping one trichome
and usually attached to it or slightly distant, occasionally open at the ends. Trichomes
cylindrical slightly constricted at cross walls, not attenuated toward the ends. False branching
occurs very rarely under culture conditions. Apical cell conical-rounded. Trichomes fine 1-3
um in diameter.
Accession No. CTR00068
19. Westiellopsis prolifica Janet (Pl. 2, Fig. A)
(Desikachary 1959, pg. 596, pl.131, figs. 1-12)
Phylum: Cyanobacteria
Class: Cyanophyceae
Order: Nostocales
Family: Hapalosiphonaceae
Genus: Westiellopsis
Filamentous thallus, filaments intensely true-branched, Main filaments torulose, with short
barrel-shaped cells, branch filaments thinner and elongate (T-type of branches). Cells not
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