Ballia Harvey, 1840

Holotype species: Ballia brunonia Harvey

Currently accepted name for the type species: Ballia callitricha (C.Agardh) K├╝tzing

Original publication and holotype designation: Harvey, W.H. (1840). Description of Ballia, a new genus of algae. Journal of Botany [Hooker] 2: 190-193, pl. IX.A.

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Description: Thallus usually over 15 cm high varying in form. Axes developed from large apical cell, densely corticated with short branches borne on basal cells of determinate branchlets, and descending rhizoidal filaments bearing outwardly projecting branches. Axial cells closely adjacent, specialized in some species, each with 2-3 distichous to tristichous regularly-branched determinate branchlets. Pit connections in most species capped on either side by dome-shaped structures unknown in related genera. Gland cells lacking. Sexual plants rare and poorly known in most species. Tetrasporangia known for most species.

Information contributed by: E.M. Wollaston emend. M.D. Guiry. The most recent alteration to this page was made on 2021-11-26 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 feminine.

Most recent taxonomic treatment adopted: Choi, H.-G., Kraft, G.T. & Saunders, G.W. (2000). Nuclear small-subunit rDNA sequences from Ballia spp. (Rhodophyta): proposal of the Balliales ord. nov., Balliaceae fam. nov., Ballia nana sp. nov. and Inkyuleea gen. nov. (Ceramiales). Phycologia 39: 272-287.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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. 26 November 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 01 December 2022

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