Lyngbyopsis N.L.Gardner, 1927

Holotype species: Lyngbyopsis willei N.L.Gardner

Original publication and holotype designation: Gardner, N.L. (1927). New Myxophyceae from Porto Rico. Memoirs of the New York Botanical Garden 7: 1-144, pls. 1-23.

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Description: Filamentous; filaments more or less parallel and densely joined in fascicles and perpendicularly oriented to the substrate, radially composed in macroscopic, hemispherical colonies or (later) in thick layers, attached to stones and sometimes encrusted, or covered by inorganic particles; filaments always with colorless, firm sheaths, which are joined to trichomes, often branched and anastomozing (only sheaths, not trichomes) and enveloping one, rarely two trichomes, opened at the ends, rarely crosswise lamellated. Trichomes isopolar, cylindrical, 58 _m wide, with or without slight constrictions at the crosswalls, at the end not attenuated, with the end cell widely rounded, with thickened outer cell wall. Cells more or less isodiametric or slightly longer or shorter than wide, without aerotopes, olivegreen or bluegreen, slightly granular. Heterocytes and akinetes absent. Cell division crosswise, perpendicular to the long axis of a trichome, daughter cells grow Å up to the original size before the next division. All cells capable of division. Reproduction by motile hormogonia, which escape from the open sheaths in the periphery of a colony. The single species is known only from the warm creeks with stony beds in Great Antilles (Cuba, Puerto Rico).

Information contributed by: J. Komárek. The most recent alteration to this page was made on 2023-03-03 by M.D. Guiry.

Taxonomic status: This name is of an entity that is currently accepted taxonomically.

Most recent taxonomic treatment adopted: Strunecký, O., Ivanova, A.P. & Mares, J. (2022 '2023'). An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis (Review). Journal of Phycology 59(1): 12-51.

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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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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.

Linking to this page: https://www.algaebase.org/search/genus/detail/?genus_id=45775

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 03 March 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 09 May 2024