Trichocoleus cf. acutissimus (Gardner) Anagnostidis (2001: 369)

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 : 7

publication ID	https://doi.org/10.11646/phytotaxa.646.1.1
DOI	https://doi.org/10.5281/zenodo.14207393
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scientific name	Trichocoleus cf. acutissimus (Gardner) Anagnostidis (2001: 369)
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Trichocoleus cf. acutissimus (Gardner) Anagnostidis (2001: 369) ( Fig. 7F–G View FIGURE 7 ).

Basonym: Microcoleus acutissimus Gardner (1927:55) .

Filaments solitary. Sheath firm, thin, conspicuous, non-lamellate, open at ends, hyaline. Trichomes solitary or numerous (≥15), attenuated, unbranched, slightly constricted, parallel arranged. Cells cylindrical, 2.7–3.65 µm wide, 6.21–8.86 (9.55) µm long, ratio l/w = 2.55. Apical cell acute-conical, without thickening or calyptra. Cell content granulated, pale blue-green, with distinct chromatoplasma. Without necridia.

Habitat: — soil associate to Stigonema minutum and Gloeocapsopsis dvorakii .

Studied material:— PEUFR55767

References

Anagnostidis, K. (2001) Nomenclatural changes in cyanoprokaryotic order Oscillatoriales. Preslia 73: 359 - 375.

Gardner, N. L. (1927) New Myxophyceae from Porto Rico (Vol. 7): Momories of the New York Botanical Garden.

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).