Morphology of three strains of Heterococcus viridis in culture. (A) Prostrate colonies produced by branched filaments on the surface of an agarized culture, 16 weeks old (strain B10). (B) Enlarged view of a young (4 weeks old) colony, liquid culture, strain SAG 835–7. (C) Enlarged filament, 6 week old agarized culture (strain MZ3-7). (D) Coccoid cells in a 4 weeks old liquid culture (strain SAG 835–7). Scale bar in (A) 500 μm, in (B) – (D) 20 μm.
Rybalka et al. BMC Evolutionary Biology 2013 13:39 doi:10.1186/1471-2148-13-39