Schizothrix telephoroides Gomont (1890: 319)

Da Anunciação, Raylane R., Paulino, Jonatas M., Moura, Ariadne N., Iv, H. Dail Laughinghouse & Gama, Watson A., 2024, Morphometric Characterization And The First Taxonomic Synthesis Of Terrestrial Cyanobacteria From The Atlantic Forest In Northeastern Brazil, Phytotaxa 646 (1), pp. 1-31 : 8-9

Schizothrix telephoroides Gomont (1890: 319) ( Fig. 7K–L ).

Filaments solitary, 11.22–28.33 µm wide. Sheath firm, 1.18–8.32 µm wide, two or more lamellae, hyaline to intense red. Trichomes up to 3 per sheath, unbranched, slightly constricted. Cells isodiametric to sub-quadratic, 5–6.81 µm wide, 3.87–8.01 µm long, ratio l/w = 0.95. Apical cell rounded to conical-rounded, without thickening or calyptra. Cell content granulated, blue-green, with distinct chromatoplasma. With necridia.

Habitat:— Soil associate to Porphyrosiphon ceylanicus .

Studied material:— PEUFR 55780

Chroococcales Schaffner (1922: 131) .

Family Aphanothecaceae (Komárek et Anagnostidis) Komárek, Kaštovský, Mareš et Johansen (2014: 315) .

Aphanothece densa Lemes-da-Silva, Branco & Necchi-Júnior (2010: 917) ( Fig. 7 :M).

Colonies round to irregular, 12.3–45.01 µm diam., without sub-colonies. Sheath firm, thin, 0.54–0.82 µm wide, non-lamellate, hyaline. Cells densely disposed, oblong, 2.04–4.37 µm diam., 3.22–4.96 µm long. Without individual envelopes. Cell content homogenous, bright green.

Habitat:— Dry tree bark associated to Chlorogloea sp.1 and Chroococcidiopsis sp.1 .

Studied material:— PEUFR 55795

Figures

FIGURE 7. A–B. Plectolyngbya sp.1; C–D. Plectolyngbya sp.2; E. Aphanocapsa sp.; F–G. Tricocholeus acutissimus; H–J. Tricocholeus sp.; K–L. Schizothriz telephoroides; M. Aphanothece densa; N–O. Aphanothece pallida; P. Aphanothece sp.; Q. Gloeothece samoensis; R. Asterocapsa divina. Scale bar: 50 μm (N); 5 μm (Q; R); 10 μm (to the others).