| Introduction | | Search taxa | | Taxon tree | | Taxon match | | Checklist | | Literature | | Stats | | Photogallery | | OBIS Vocab | | Log in |
CaRMS taxon detailsAphanizomenon flos-aquae Ralfs ex Bornet & Flahault, 1886
248099 (urn:lsid:marinespecies.org:taxname:248099)
accepted
Species
Not documented
Description Trichomes free-floating, aggregated in parallel in elongated, band-like colonies, up to 2 cm long and 3 mm wide,...
Description Trichomes free-floating, aggregated in parallel in elongated, band-like colonies, up to 2 cm long and 3 mm wide, olive-green, flexuous. Trichomes straight or bent, cylindrical, slightly constricted at the cross-walls, isopolar, on both ends with long, cylindrical, terminal cells, at the ends cylindrical-rounded. Cells cylindrical to slightly barrel-shaped, ± isodiametric with olive-green protoplast and numerous aerotopes, 4-12.1 x 4.4-8 μm; apical cells elongated and up to 24.3 gm long, without aerotopes, almost hyaline, usually with characteristic remains of cytoplasm in form of an irregular, lengthwise string. Heterocytes intercalary, solitary, usu¬ally 1 (up to 3) in a trichome, cylindrical, 10-18 x 5-8.5 μm. Akinetes intercalary, long cylindrical, distant from heterocytes, 40-220 x 6-10.8 μm. [details] LSID urn:lsid:algaebase.org:taxname:97658
LSID urn:lsid:algaebase.org:taxname:97658 [details]
Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Aphanizomenon flos-aquae Ralfs ex Bornet & Flahault, 1886. Accessed through: Nozères, C., Kennedy, M.K. (Eds.) (2025) Canadian Register of Marine Species at: https://www.marinespecies.org/CaRMS/aphia.php?p=taxdetails&id=248099 on 2026-08-04
Nozères, C., Kennedy, M.K. (Eds.) (2026). Canadian Register of Marine Species. Aphanizomenon flos-aquae Ralfs ex Bornet & Flahault, 1886. Accessed at: https://marinespecies.org/carms/aphia.php?p=taxdetails&id=248099 on 2026-08-04
Date action by
basis of record
Guiry, M.D. & Guiry, G.M. (2026). 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 Ferreira, A. C.; Sankarankuty, C.; Da-cunha, I. M. C.; Duarte, F. T. (2001). Yet another record of Charybdis hellerii (A. Milne Edwards) (Crustacea, Decapoda) from the northeast of Brazil. <em>Revista Brasileira da Zoologia.</em> 18, 57-358., available online at http://www.scielo.br/pdf/rbzool/v18s1/v18supl1a34.pdf [details] Available for editors  additional source Rapala, J., Sivonen, K., Luukkainen, R. & Niemelä, S. I. (1993). Anatoxin-a concentration in <i>Anabaena</i> and <i>Aphanizomenon</i> under different environmental conditions and comparison of growth by toxic and non-toxic <i>Anabaena</i>-strains — a laboratory study. <em>Journal of Applied Phycology.</em> 5: 581-591., available online at https://doi.org/10.1007/bf02184637 [details] additional source Osswald, J.; Rellán, S.; Gago, A.; Vasconcelos, V. (2009). Production of anatoxin-A by cyanobacterial strains isolated from Portuguese fresh water systems. <em>Ecotoxicology, 18, 1110–1115.</em> , available online at https://doi.org/10.1007/s10646-009-0375-5 [details] Available for editors additional source Lyon-Colbert, A.; Su, S.; Cude, C. (2018). A Systematic Literature Review for Evidence of Aphanizomenon flos-aquae Toxigenicity in Recreational Waters and Toxicity of Dietary Supplements: 2000–2017. <em>Toxins.</em> 10(7): 254., available online at https://doi.org/10.3390/toxins10070254 [details] Available for editors  Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Description Trichomes free-floating, aggregated in parallel in elongated, band-like colonies, up to 2 cm long and 3 mm wide, olive-green, flexuous. Trichomes straight or bent, cylindrical, slightly constricted at the cross-walls, isopolar, on both ends with long, cylindrical, terminal cells, at the ends cylindrical-rounded. Cells cylindrical to slightly barrel-shaped, ± isodiametric with olive-green protoplast and numerous aerotopes, 4-12.1 x 4.4-8 μm; apical cells elongated and up to 24.3 gm long, without aerotopes, almost hyaline, usually with characteristic remains of cytoplasm in form of an irregular, lengthwise string. Heterocytes intercalary, solitary, usu¬ally 1 (up to 3) in a trichome, cylindrical, 10-18 x 5-8.5 μm. Akinetes intercalary, long cylindrical, distant from heterocytes, 40-220 x 6-10.8 μm. [details]Harmful effects and toxins Strains of this species have been found to produce anatoxin-a according to Rapala et al., 1993; Osswald et al. 2009; saxitoxins (GTX4, GTX1, GTX3 and C toxins) according to Ferreira et al 2001. Capable of producing anatoxin-a (ANTX), cylindrospermopsin (CYN), microcystins (MCs), and the paralytic shellfish poison toxins, the saxitoxins (STXs) according to Lyon-Colbert et al 2018. Confirmed on isolated strains. [details] LSID urn:lsid:algaebase.org:taxname:97658 [details] Unreviewed
Environment Freshwater algae, N. India. [details]
Published in AlgaeBase
 To Biodiversity Heritage Library (77 publications) To Dyntaxa To European Nucleotide Archive, ENA (Aphanizomenon flos-aquae) To GenBank (17 nucleotides; 8392 proteins) To PESI From editor or global species database
  |
