Ulva dichotoma Hudson 1762

Current name: Dictyota dichotoma (Hudson) J.V.Lamouroux
Finavarra, Co. Clare, Ireland; plants to 60 mm - 08 August 2004. Michael Guiry (mike.guiry@nuigalway.ie)

Publication Details
Ulva dichotoma Hudson 1762: 476

Published in: Hudson, [W.] (1762). Flora anglica; exhibens plantas per regnum angliae sponte crescentes, distributas secundum systema sexuale: cum differentiis specierum, synonymis auctorum, nominibus incolarum, solo locorum, tempore florendi, ofììcinalibus pharmacopoeorum. pp. [i]-viii, [1- 8], 1-506, [1-22, ind.]. Londini [London]: Impensis auctoris: Prostant venales apud J. Nourse in the Strand, et C. Moran in Covent-Garden.

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Publication date: Jan-Jun 1762

Type Species
The type species (holotype) of the genus Ulva is Ulva lactuca Linnaeus.

Status of Name
This name is currently regarded as a synonym of Dictyota dichotoma (Hudson) J.V.Lamouroux.

Type Information
Type locality: Walney Island, Lancashire, England; (Silva & al. 1996: 589) Notes: According to Womersley (1987: 194), the type is from England: probably lost. According to De Clerck (2003), a neotype needs to be selected.

Origin of Species Name
Adjective (Latin), dichotomous, having divisions always in pairs (Stearn 1983).

General Environment
This is a marine species.

Created: 18 February 1999 by M.D. Guiry.

Last updated: 11 February 2007

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=17428

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 11 February 2007. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 18 July 2025