Heteroleibleinia
| Generic name: HETEROLEIBLEINIA (Geitler) Hoffmann, 1985. Cryptog. Algol. 6. 2: 76. | ||||||||||
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| Type species: Heteroleibleinia rigidula (Kützing ex Hansgirg) Hoffmann 1985. | ||||||||||
| Descriptions: Komárek (1992): Filamentous; filaments solitary or in_groups, heteropolar, joined with one end to the substrate (usually by a pad or a short leg) and with free second end, with simple, firm, colourless, thin sheath enveloping the trichome and open at the apex. Trichomes thin, mainly up to 4 μm wide, uniserial, simple, +/- straight ("starr"), curved or slightly flexuous, not attenuated at the ends, constricted or unconstricted at the cross walls. Very rarely false branching with one lateral branch, after division of trichomes between two vegetative cells. Cells shorter up to longer than wide, cylindrical or barrel-shaped; end cells rounded or conically rounded, without aerotopes. Heterocytes and akinetes lacking. |
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| Genotype differences, molecular data: | ||||||||||
| Reproduction strategies, life cycles, cell division: Komárek (1992): Cell division by symmetrical cross-wise binary fission, cells grow into the original size before the next division. Reproduction by motile hormogonia, liberating from the apical part of trichomes by help of necridic cells (?). Hormogonia join by one end to the substrate and germinate at the opposite end. |
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| Ultrastructure: | ||||||||||
| Taxonomic position, higher hierarchy: Cyanophyceae, Oscillatoriales, Pseudanabaenaceae, Heteroleibleinioideae Notes to taxonomy, misinterpretations: |
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| Ecology, ecophysiology, ecological significance: Komárek (1992): All species are known from aquatic habitats, where they grow attached at different substrates (wood, stones, water plants, other algae, etc.). They occur in freshwater, as well as in marine biotopes. One species lives epizoic on planktic Crustaceans. The genus is known over the world, however, several species have limited areas of distribution or they are known only from few localities. Not yet in cultures. |
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| Physiology and biochemistry: |
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| Distribution, endemism, problematic citations: |
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| Infrageneric scheme, species concept: |
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| List of species: Heteroleibleinia affixa (Yoneda) Anagnostidis et Komárek 1988 Heteroleibleinia akkeshiensis (Hirose) Anagnostidis et Komárek in Anagnostidis 2001 Heteroleibleinia aquae-dulcis (Skuja) Anagnostidis 2001 Heteroleibleinia brevissima (Hansgirg) Anagnostidis et Komárek 1988 Heteroleibleinia chaetomorphae (Iyengar et Desikachary) Anagnostidis et Komárek 1988 Heteroleibleinia distincta (Schmidle) Anagnostidis et Komárek 1988 Heteroleibleinia epiphytica (Wille) Komárek et Anagnostidis 2001 Heteroleibleinia erecta (Gardner) Anagnostidis 2001 Heteroleibleinia fontana (Hansgirg) Anagnostidis et Komárek 1988 Heteroleibleinia gardneri (Geitler) Anagnostidis et Komárek 1988 Heteroleibleinia infixa (Frémy) Anagnostidis et Komárek 1988 Heteroleibleinia koreana (G.S. An) Anagnostidis 2001 Heteroleibleinia kossinskajae (Elenkin) Anagnostidis et Komárek 1988 Heteroleibleinia kuetzingii (Schmidle) Compere 1985 Heteroleibleinia kwangsiensis (Jao) Anagnostidis 2001 Heteroleibleinia lachneri (Zimmermann) Anagnostidis et Komárek 1988 Heteroleibleinia leptonema (Skuja) Anagnostidis et Komárek 1988 Heteroleibleinia maior (Geitler) Anagnostidis 2001 Heteroleibleinia mesotricha (Skuja) Anagnostidis et Komárek 1988 Heteroleibleinia pithophorae (Yoneda) Anagnostidis et Komárek 1988 Heteroleibleinia profunda Tavera et Komárek 1996 Heteroleibleinia purpurascens (Hansgirg) Anagnostidis et Komárek 1988 Heteroleibleinia pusilla (Hansgirg) Compere 1985 Heteroleibleinia rigidula (Kützing ex Hansgirg) Hoffmann 1985 Heteroleibleinia schwabei Anagnostidis 2001 Heteroleibleinia subhormoides (G.S. An) Anagnostidis 2001 Heteroleibleinia thornensis (Bunting et Lund) Anagnostidis et Komárek 1988 Heteroleibleinia ucrainica (Širšov in Elenkin) Anagnostidis et Komárek 1988 Heteroleibleinia versicolor (Wartmann) Gomont 1893 Unclear taxa: |
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Drawings: Komárek 1992
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Literature:
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