FIGURE 1. Morphological variation within the N. commune strains. A, B in Polyphasic characterization of Nostoc commune (Cyanobacteria, Nostocaceae) isolated from rice growing agro-ecosystems of Dima Hasao district of Assam, North-East India

FIGURE 1. Morphological variation within the N. commune strains. A, B. Plate view and liquid culture of N. commune AUS-JR/DB/ NT-003. C, D. Plate view and liquid culture of N. commune AUS-JR/DB/NT-004. E. A single colony of N. commune AUS-JR/DB/NT- 003. F. A single colony of N. commune AUS-JR/DB/NT-004. G. Disintegration of the sheath. H. Individual trichomes. I. Aseriate filaments (h: heterocyst). J. Seriate filaments. K. Ensheathed coccoid cells. L. Old colonies with reduced trichome. Bar length = 50µm.