156,318 species and infraspecific names are in the database, 22,002 images, 60,418 bibliographic items, 445,940 distributional records.

Husseyella Papenfuss, 1958

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Ceramiales
Family Rhodomelaceae
Tribe Chondrieae

Holotype species: Husseyella australis (J.Agardh) Papenfuss

Currently accepted name for the type species: Husseya rubra (Harvey) P.C.Silva

Original publication and holotype designation: Papenfuss, G.F. (1958). Notes on algal nomenclature. IV. Various genera and species of Chlorophyceae, Phaeophyceae and Rhodophyceae. Taxon 7: 104-109.
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Taxonomic status: currently regarded as a synonym of Husseya.

Description: Thalli polysiphonous, up to 30 cm tall, highly branched, proximal axis up to ca. 2.0 mm diameter, distal branchlets approximately 400 &m in diamter. Branches radially arranged, often alternate distally, sometimes with branchlets produced in axils of primary branches. Actively growing branch apices with an apical depression. Five pericentrals ringed by a layer of large cells that are covered by cortication, and an epidermal layer of rectangular cells; some cortication rhizoidal, but the epidermal layer produces a thick pseudoparenchymatous cortical layer in older axes. Some pericentral cells produce cell wall thickenings that may become massive and form laminated refringent bands (Gordon-Mills and Womersley (1984). Tetrasporangia borne in cortical region of short branchlets borne in clusters on distal branches. Sporangia tetrahedrally divided but details of development and number per axial cell are not available. Procarps borne on short branchlets occurring in clusters on distal thallus branches. Cystocarps borne singly or in pairs, ovoid to spheroidal, and on a short pedicel. Male plants remain unknown.

Information kindly contributed by R.E. Norris but may now be outdated.

Comments: A rare subtidal genus, found in Western Australia and South Australia.

Numbers of names and species: There are 2 species names in the database at present.

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):

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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.

Created: 28 December 2000 by M.D. Guiry

Verified by: 05 January 2011 by M.D. Guiry

Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=42870

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M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 16 September 2019.

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