Pseudanabaena limnetica (Lemmermann) Komárek (1974: 162)

Yu, Gongliang, Zhu, Mengling, Chen, Youxin, Pan, Qianqian, Chai, Wenbo & Li, Renhui, 2015, Polyphasic characterization of four species of Pseudanabaena (Oscillatoriales, Cyanobacteria) from China and insights into polyphyletic divergence within the Pseudanabaena genus, Phytotaxa 192 (1), pp. 1-12 : 6

Pseudanabaena limnetica (Lemmermann) Komárek (1974: 162)

Basionym: Oscillatoria limnetica Lemmermann (1900: 310) .

Strains:— CHAB786 (KM386855), CHAB774 (KM386857), CHAB792 (KM386856) from West Lake, Hangzhou

Habitat:— Freshwater, planktonic or epiplanktic.

Description: —Trichomes solitary. Macroscopically, the cultures are bright blue green ( Fig. 1C ). Thrichomes blue green, straight or slightly curved, few-celled, constricted at cross walls, without sheath or gas vesicles. Cells longcylindrical, 1.6‒9.4 μm long, 1.3‒2.6 μm wide, 1.1‒6.8 L/W ( Table 1). Cell content homogeneous. Thylakoids with 6 parallel layers ( Fig. 2D, E ).

Figures

FIGURE 1. Morphological features of Pseudanabaena.A. Pseudanabaena mucicola CHAB1147.B, Pseudanabaena galeata CHAB2916. C. Pseudanabaena limnetica CHAB792. D. Pseudanabaena minima CHAB705. Scale bar = 10μm.

FIGURE 2. Ultrastructure of Pseudanabaena. A. Pseudanabaena mucicola CHAB1147. B–C, Pseudanabaena galeata CHAB2916.. D, E. Pseudanabaena limnetica CHAB792. F, G. Pseudanabaena minima CHAB705. Scale bar = 1μm. Thylakoids are marked with T. Phycocyanin granules are marked with PC, and polyphosphate granules with PP.