Gloeocapsopsis dvorakii (Novácek) Komárek et Anagnostidis ex Komárek (1993: 24)

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 : 12

Gloeocapsopsis dvorakii (Novácek) Komárek et Anagnostidis ex Komárek (1993: 24) ( Fig. 8O–Q ).

Basonym: Gloeocapsa dvorakii Novácek (1929: 3) .

Colonies sarcinoid to irregular or solitary cells, 8.5–98 µm wide. Sub-colonies with 3 or more cells. Sheath firm, thin, smooth or slightly granulated, non-lamellated or 1–2 lamellae, hyaline or orange, reddish to dark rusty red. Cells irregularly spherical, elongated to polygonal, 2.63–14.79 µm wide. Individual envelope firm, slightly lamellated. Cell content homogeneous or slight granulated, blue-green. Without nanocyte and cell in resting stage.

Habitat:— Rocks totally exposed to the sun and others covered by moss; associated with Stigonema minutum , Scytonema schmidtii , and Gloeocapsa novacekii . Soil; associated with Trichocoleus acutissimus and Stigonema minutum .

Studied material:— PEUFR 55767, PEUFR 55769, PEUFR 55773, PEUFR 55800 PEUFR 55812

Figures

FIGURE 8. A–E. Asterocapsa divina—Different stages of the life cycle; F. Chondrocystis sp.; G. Chroococcus aff. heanogloios; H. Gloeocapsa compacta; I. Gloeocapsa nigrescens; J–K. Gloeocapsa novacekii—J. resting cells. L. Gloeocapsa stegophila; M. Gloeocapsa sp. 1; N. Gloeocapsa sp. 2; O–Q. Gloeocapsopsis dvorakii—O. familiares simplex stage; P. familiaris lamelosus stage; R. Gloeocapsopsis pleurocapsoides. Scale bar: 5 μm (A; B; J; R); 10 μm (to the others).