Abstract
The article comprises three subsequently published studies of the taxonomy of Cuban cyanophyte/cyanobacterial flora: (4)Lyngbyopsis willei: This oscillatorialean genus and species, described byGardner (1927) from mountain creeks in Puerto Rico, was found more than 50 years later in similar localities in Cuba. The morphological variability of the Cuban populations is described and similarity with the genusSchizothrix (sect.Inactis) discussed. —(5)Cylindrospermum-species: The morphological variability of twenty-oneCylindrospermum-populations collected in Cuba was studied, documented by graphical methods and compared with the published data. Four new taxa were recognized (C. minutissimum v.rinoi, C. zonatum, C. bourrellyi, andC. desikacharyi). The other populations belong to the variation ranges ofC. breve, C. minutissimum, C. michailovskoense, andC. muscicola v.kashmiriense.— (6)Gomphosphaerioideae-species: Fifty eight populations (9 species) of the subfamilyGomphosphaerioideae (Microcystaceae, Chroococcales) from freshwater biotopes of Cuba were evaluated: Four planktic species with a probable cosmopolitan distribution were found (Coelosphaerium kuetzinginianum, C. minutissimum, Snowella lacustris andCoelomoron pusillus), and from the genusCoelomoron Buell two new species,C. microcystoides andC. vestitus were described. The tropical planktic speciesWoronichinia fremyi forms occasionally water blooms in larger reservoirs. Two tropical species from the genusGomphosphaeria Kütz, were recognized,G. multiplex (Nyg.) c. n. andG. semen-vitis sp. n.
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This article is part of a series of studies about the cyanophyte/cyanobacterial flora of Cuba. The previous 3 studies were published in Spanish (Sobre las cianofíceas de Cuba) in Acta botanica cubana in 1984 (n. 18, 19).
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Komárek, J. Studies on the cyanophytes of Cuba 4–6. Folia geobot. phytotax. 24, 57–97 (1989). https://doi.org/10.1007/BF02854793
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DOI: https://doi.org/10.1007/BF02854793