162,411 species and infraspecific names are in the database, 22,760 images, 64,001 bibliographic items, 474,997 distributional records.

Planktolyngbya Anagnostidis & Komárek, 1988

Classification:
Empire Prokaryota
Kingdom Eubacteria
Subkingdom Negibacteria
Phylum Cyanobacteria
Class Cyanophyceae
Subclass Synechococcophycidae
Order Synechococcales
Family Leptolyngbyaceae

Holotype species: Planktolyngbya limnetica (Lemmermann) Komárková-Legnerová & Cronberg

Original publication and holotype designation: Anagnostidis, K. & Komárek, J. (1988). Modern approach to the classification system of cyanophytes. 3. Oscillatoriales. Archiv für Hydrobiologie, Supplement 80: 327-472, 35 figs, 13 tables.

Taxonomic status: currently recognized as a distinct genus.

Most recent taxonomic treatment adopted: Mai, T., Johansen, J.R., Pietrasiak, N., Bohunická, M. & Martin, M.P. (2018). Revision of the Synechococcales (Cyanobacteria) through recognition of four families including Oculatellaceae fam. nov. and Trichocoleaceae fam. nov. and six new genera containing 14 species. Phytotaxa 365(1): 1-59, 23 figs.

Description: Filamentous; filaments solitary, with thin, simple, colorless, firm sheaths, rarely false-branched; trichomes cylindrical, isopolar, straight, waved, coiled to more or less screw-like or spirally coiled, narrow, to 3 _m wide, uniseriate, usually not narrowed to the ends, indistinctly constricted or unconstricted at the crosswalls, always nonmotile. Cells cylindrical, rarely shorter than wide, usually longer than wide (to several times), without aerotopes or with facultative polar aerotopes, sometimes with solitary granules; end cells rounded or narrowed-rounded, always without calyptra. Cell content pale gray-blue, blue-green, yellowish or olive-green, thylakoids localized peripherally along the cell walls. Cell division by the crosswise binary fission, perpendicular to the long axis of a trichome, daughter cells grow Å to the original size before the next division. All cells capable of division. Reproduction by fragmentation of trichomes without necridic cells into nonmotile (?) hormogonia. Planktonic species, usually in large, mesotrophic reservoirs; several species limited to tropical and warm temperate zones, several species presumably nordic.

Information contributed by: J. Komárek. The most recent alteration to this page was made on 16 Aug 2018 by M.D. Guiry.

Numbers of names and species: There are 17 species names in the database at present, as well as 1 infraspecific names. Of the species names, 15 have been flagged as accepted taxonomically on the basis of the listed literature under the species name. In some instances, opinions on taxonomic validity differ from author to author and users are encouraged to form their own opinion. AlgaeBase is a work in progress and should not be regarded as a definitive source only as a guide to the literature..

Names: ('C' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):

Click here to also show infraspecific names in the list below.

References
Thomazeau, S., Houdan-Fourmont, A., Couté, A., Duval, C., Couloux, A., Rousseau, F. & Bernard, C. (2010). The contribution of sub-Saharan African strains to the phylogeny of cyanobacteria: focusing on the Nostacaceae (Nostocales, Cyanobacteria). Journal of Phycology 46(3): 564-579.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.

Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.

Created: 11 April 2002 by M.D. Guiry

Verified by: 16 August 2018 by M.D. Guiry

Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=43607

Citing AlgaeBase
Please cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 29 July 2021.

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