Leathesia difformis (Fries) Areschoug 1847

Publication Details
Leathesia difformis (Fries) Areschoug 1847: 376

Published in: Areschoug, J.E. (1847). Phycearum, quae in maribus Scandinaviae crescunt, enumeratio. Sectio prior Fucaceas continens. Nova Acta Regiae Societatis Scientiarum Upsaliensis 13: 223-382, pls I-IX.

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Type Species
The type species (holotype) of the genus Leathesia is Leathesia tuberiformis S.F.Gray.

Status of Name
This name is currently regarded as a synonym of Leathesia marina (Lyngbye) Decaisne.

Basionym
Clavatella difformis Fries

Origin of Species Name
Adjective (Latin), irregularly or unevenly formed or differently formed, unlike what is usual (Stearn 1983).

General Environment
This is a marine species.

Created: 31 March 1996 by M.D. Guiry.

Last updated: 11 October 2024

Verification of Data
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Nomenclatural note
The genus Tremella Linnaeus (1753: 1157) was lectotypified by Tremella nostoc Linnaeus by Donk (1958: 245). As this is an entity with a later starting point (ICBN Art. 13.1, Nostocaceae heterocystaceae), under the provisions of ICBN Art. 13.2, all included species in the genus Tremella thus also have a later starting point (1 January 1886), regardless of their current generic placement. Tremella difformis Linnaeus (1755: 429) is thus not a valid name dating from 1755. Nostoc marinum C. Agardh (1812: 45) is similarly invalid. The earliest valid name that can be used for the entity widely known as Leathesia difformis is Chaetophora marina Lyngbye (Pedroche et al. 2008: 60). Leathesia difformis can be ascribed to J.E. Areschoug, 1847, but priority must be given to Leathesia marina (Lyngbye) Decaisne, 1842. - (12 March 2009) - M.D. Guiry

Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=50

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 11 October 2024. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 31 May 2025

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