Stigonema corticola Sant’Anna, Kaštovský, Hentschke & Komárek (2013: 15)

Da Anunciação, Raylane R., Paulino, Jonatas M., Moura, Ariadne N., Laughinghouse IV, H. Dail & 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 : 22

Stigonema corticola Sant’Anna, Kaštovský, Hentschke & Komárek (2013: 15) ( Fig. 14D–F ).

Filaments multiseriate, erect, 20–30.49 µm wide, filaments and branches not clearly distinguishable. Sheath firm, non-lamellated, brown. Cell irregular elongated or ± rounded, 5.54–15.65 µm wide. Cell content granulated, blue-green. Heterocyte rounded to semi-spherical, lateral to intercalary, 5.82–11.33 µm wide. Hormogonia numerous, developed in the apical branches.

Habitat: —Tree bark associated with Gloeocapsa sp.1 , Gloeocapsopsis sp. and Dapisostemon sp.

Studied material: — PEUFR55774

Figures

FIGURE 14. A–C. Scytonemataceae sp.; D–F. Stigonema corticola; G–I. Stigonema fremyi; J–N. Stigonema minutum. O–S. Mastigocladopsis sp.—O. details of the arrangement of the filaments; P. Apical cell; Q. Akinete; E–F. the filament details. Scale: 50 μm (D; G; J; O); 10 μm (to the others).