Gloeothece samoensis Wille (1913: 144)

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 : 9

Gloeothece samoensis Wille (1913: 144) ( Fig. 7Q ).

Colonies round to elliptical, with 2–4 cells, 9.06–21.77 µm wide. Sheath firm, with 2 or more lamellae, hyaline. Cells oblong, 4.05–6.04 µm wide, 4.44–7.44 µm long. Individual envelope present or not. Cell content granulated, blue-green.

Habitat:— Wet soil associate to Lyngbya ocreata and Aphanothece pallida .

Studied material:— PEUFR 55794

Family Chroococcaceae Rabenhorst (1863: 57 , 69).

Asterocapsa divina Komárek (1993: 33) ( Fig. 7R ; 8A–E ).

Colonies round or solitary cells, 10.57–66.4 µm wide. Sheath firm, conspicuous, 0.74–3.23 µm wide, lamellate, smooth, hyaline to greenish-yellow to reddish-brown. Cell elliptical, spherical or irregular, 2.77–9.62 µm diam. Individual envelopes present or not, smooth to slightly granulated, non-lamellated, 0.45–1.36 µm wide. Cell content homogenous to granulated, blue-green.

Habitat:— Concrete.

Studied material:— PEUFR 55816

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).

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).