Rivularia minutula Bornet and Flahault

Lee, Mi-Ae Song and Ok-Min, 2017, A study of six newly recorded species of cyanobacteria (Cyanophyceae, Cyanophyta) in Korea, Journal of Species Research 6 (2), pp. 154-162 : 157

Rivularia minutula Bornet and Flahault ( Fig. 3 )

Colonies are hemispherical with 2 mm in diameter. Cells are cylindrical with 3-10 μm width. Trichomes are narrowed, ending with radially arranged hairs. Sheath is colorless to brown and heterocyst is in basal.

Ecology: We collected scrubbed samples from a rock on June 29, 2015. This species was founded in moist calcareous surfaces or in shallow streams and ditches ( John et al., 2011).

Distribution: Europe: Britain ( John et al., 2011); North

America: Great Lakes ( Prescott, 1962); South­west Asia: Pakistan ( Leghari et al., 2005); Asia: Nepal ( Rai et al., 2010).

Site of Collection: Site 4

Specimen Locality: NIBRCY0000000769

Figures

Fig. 3. Microscopic photographs of Rivularia minutula Bornet and Flahault, of the cultured samples from the algal culture collection at Kyonggi University. Scale bars represent 10μm.