Ulva olivascens P.J.L.Dangeard, nom. inval. 1961
Current name:
Umbraulva dangeardii M.J.Wynne & G.Furnari
New Quay, Co. Clare, Ireland; note olive colour and plastic-like appearance - 29 March 2002. Michael Guiry (mike.guiry@nuigalway.ie)
Publication Details
Ulva olivascens P.J.L.Dangeard, nom. inval. 1961: 22, footnote
Published in: Dangeard, P.[J.L.] (1961). Le problème de l'espèce avec référence au groupe des Ulvacées. Le Botaniste 44(I-VI): 21-36, 2 figs. & 2 pls.. [in French]
Request PDFType 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 Umbraulva dangeardii M.J.Wynne & G.Furnari.
Source of Synonymy
Wynne, M.J. & Furnari, G. (2014). A census of J.P.L. [sic] Dangeard's invalid taxa with proposals to resolve the nomenclatural problems of some of them. Nova Hedwigia 98(3-4): 515-517.
Type Information
Type locality: Roscoff, France;
General Environment
This is a marine species.
Created: 06 April 1996 by M.D. Guiry.
Last updated: 23 February 2021
Verification of Data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.
Nomenclatural note
Proposed as a new name for Ulva olivacea P.J.L. Dangeard, non Hornemann, 1810. Invalid: "Dangeard (1951) described the new species Ulva olivacea, but this name was illegitimate because it was a later homonym of Ulva olivacea Hornemann (1810). Later, Dangeard (1961a, footnote on pag. 22) proposed the name Ulva olivascens as a replacement name; however, that name was also invalid because of Art. 41.5 of the Melbourne Code (McNeill et al. 2012). Assuming that Ulva olivascens was valid, Bae & Lee (2001) transferred the species to Umbraulva, but again without indicating the page of the publication of the purported basionym. Furnari (in Catra et al. 2006) re-proposed Umbraulva olivascens, but still invalidly, since he failed to recognize that the basionym was invalid." - (14 March 2007) - G.M. Guiry
Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=221
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 23 February 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 12 June 2025
