Myriotrichia Harvey, 1834

Holotype species: Myriotrichia clavaeformis Harvey

Original publication and holotype designation: Harvey, W.H. (1834). Algological illustrations. No. I. Remarks on some British algae, and descriptions of new species recently added to our flora. Journal of Botany [Hooker] 1: 296-305, pls CXXXVIII, CXXXIX.

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Description: The initial macrothallus is a uniseriate filament with a terminal true hair without a sheath. The uniseriate macrothallus may show sympodial branching. The fully-developed macrothallus is terete, solid and beset with few-celled determinate laterals; their development starts in the apical part of the macrothallus resulting in a club-shaped outline. The laterals may be transformed into plurilocular sporangia; unilocular sporangia formed from cortex cells of the macrothallus and may be found among plurilocular sporangia. Swarmers from plurilocular sporangia may show immediate differentiation. Myriotrichia clavaeformis is a pleomorphic species and its morphology depends on environmental conditions. Juvenile plants may also be fertile and these resemble M. filiformis Harv. and M. repens Hauck. The microthallus is probably identical with Streblonema sphaericum Derb├Ęs et Solier (Pedersen 1978b). Peters (1988) reported on a sexual life history in a strain from western Ireland.

Information contributed by: P. M. Pedersen. The most recent alteration to this page was made on 2014-06-20 by M.D. Guiry.

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

Most recent taxonomic treatment adopted: Silberfeld, T., Rousseau, F. & Reviers, B. de (2014). An updated classification of brown algae (Ochrophyta, Phaeophyceae). Cryptogamie Algologie 35(2): 117-156, 1 fig., 1 table.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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

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M.D. Guiry in Guiry, M.D. & Guiry, G.M. 20 June 2014. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 28 May 2024

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