Ephemerum hibernicum sp. nov. (Bryopsida: Ephemeraceae) from Ireland

Authors: Holyoak, David; Bryan, Virginia

Source: Journal of Bryology, Volume 27, Number 2, June 2005 , pp. 89-95(7)

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Abstract:

Ephemerum hibernicum sp. nov. is described from inundation zones of two lakes and a river in north-central Ireland and a river in western Ireland. It is most similar to E. crassinervium and E. sessile, but differs from both of these in several characters of the leaves. In particular, papillae on the upper lamina are much lower than in most E. crassinervium, while the leaves are longer and wider than in E. sessile, with a wider lamina towards the leaf apex, less well-defined costa and sometimes with large spinose marginal teeth. Ephemerum hibernicum is a rare species and its specialized habitat merits conservation.

Keywords: EPHEMERUM CRASSINERVIUM; DISTRIBUTION; CONSERVATION; E. HIBERNICUM SP. NOV; TAXONOMY; EPHEMERACEAE; IRELAND; E. SESSILE

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/037366805X52988

Publication date: 2005-06-01

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