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MarBEF Data System |
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HABs taxon details
context source (ERMS)
Gkelis, S.; Ourailidis, I.; Panou, M.; Pappas, N. (2016). Cyanobacteria of Greece: an annotated checklist. <em>Biodiversity Data Journal.</em> 4: e10084., available online at https://doi.org/10.3897/bdj.4.e10084 [details]
basis of record
Guiry, M.D. & Guiry, G.M. (2023). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online at http://www.algaebase.org [details]
additional source
León-Tejera, H., M. Gold-Morgan, and G. Montejano. 2009. Benthic Cyanoprokaryota (Cyanobacteria) of the Gulf of Mexico, Pp. 47–56 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Stati [details]
additional source
Broady, P.A. (1979). The terrestrial algae of Signy Island, South Orkney Islands. <em>British Antarctic Survey Report.</em> 98:134 pp. [details] Available for editors 
 Present Inaccurate Introduced: alien Containing type locality
From regional or thematic species database
Description Solitary filaments or prostrate, crusty, brown to blackish colonies, sometimes slightly incrusted by limestone. Filaments up to 3 mm long, with false branchings (Dichothrix ?), densely and ± parallely agglomerated, partly creeping, mostly erect, up to 1 mm long, (7) 10-15 (18-23?) μm wide near the bases. Sheaths thin to thick, intensely lamellated and funnel-like widened at the ends, often diffluent, yellow-brown. Trichomes not or slightly onion-like widened at the bases, mostly (4) 7-10 (13) μm wide, continually narrowed towards ends, elongated in a hair, not or slightly constricted at cross-walls. Cells blue-green, mostly 5-10 μm wide, mostly shorter than wide, in the middle and in upper parts slightly longer, up to longer than wide, and cylindrical in the hair. Heterocytes basal and rarely intercalary, hemispherical, usually wider than the basal cells. Hormogonia ±3x longer than wide. [details]
Distribution On stones and rocks, mostly in littoral of stagnant waters, lakes, often in surf zone, but recorded also from wet stony walls (cf. Hauer 2007); con¬sidered as cosmopolitan, commonly known from central and S Europe, China, Japan, Argentina, N America (including northern areas); interesting populations occur in stony littoral of large lakes in central and southern Canada (Shield Lakes); perhaps also from Australia and New Zealand. Interesting are populations from marine or halophilic habitats, which concern probably other genotypes (Feldmann 1964, Kaas 1987, etc.). —The identity of all these populations should be urgently checked. The African populations are different both morphologically and ecologi¬cally (cf., e. g., in Rino 1972 from Mozambique), but also various populations documented by authors from distant areas and different habitats (subaerophytic populations) are extremely variable and need molecular confirmation. [details]
Harmful effect Strains of this species from treated water pounds isolated in culture were found to produce microcystins (Mohamed and Al Shehri 2007). [details]From other sources
Environment On submerged plant parts and on other algae; also on wet rocks. [details]
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