Desmonostoc Hrouzek & S.Ventura, 2013

Holotype species: Desmonostoc muscorum (Bornet & Flahault) Hrouzek & Ventura

Original publication and holotype designation: Hrouzek, P., Lukešová, A., Mareš, J. & Ventura, S. (2013). Description of the cyanobacterial genus Desmonostoc gen. nov. including D. muscorum comb. nov. as a distinct, phylogenetically coherent taxon related to the genus Nostoc. Fottea 13(2): 201-213.

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Description: Colonies in nature usually pale to dark green to brown, with diffluent mucilage within a firmer surface layer. Filaments long, aggregated into rounded macrocolonies (up to 2 cm in diameter) or in amorphous film, firm mucilage or formation of compact microcolonies can be observed rarely and only in primordial state or stress conditions. Cells barrelshaped to oval, 3.5 µm wide or wider on average. Heterocytes terminal and intercalary, solitary. Akinetes frequently occurring, produced apoheterocytically in long chains (10 or more cells), variable in shape but mostly elliptical in the population, easily distinguished from vegetative cells, up to 10 µm long, up to 6 µm wide (average size exceeds 4.8 m long and 4.2 µm wide). Reproduction both by akinetes and by motile hormogonia which are formed by fragmentation of the vegetative filaments.

Origin of description: this description is from the original publication; it may have been modified slightly. The most recent alteration to this page was made on 2023-03-06 by M.D. Guiry.

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

Gender: This genus name is currently treated as neuter.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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=51516

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 06 March 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 18 April 2024