New National and Regional Bryophyte Records, 69

L. T. Ellis,O. M. Afonina， M. Tabua, G. Winter

Journal of Bryology（2022）SCI 3区

Cited 12|Views14

Abstract

While revising samples of Dialytrichia saxicola in LISU in preparation for IUCN Threatened Species of Europe assessments, (Sérgio & Porley 2019) we found a collection from Italy that matched the typical expression of this species.The population trend of this species was suspected to be increasing, favoured perhaps by eutrophication, and it was predicted that new areas of occurrence may be found (Sérgio & Porley 2019).It was therefore assessed as Least Concern, and considered native in Belgium, mainland France, Germany, Netherlands, mainland Portugal, Madeira, mainland Spain and Great Britain (Hodgetts & Lockhart 2020).Dialytrichia saxicola was first described from France as Dialytrichia mucronata (Brid.)Broth.var.fragilifolia Bizot & Cl.Roux, and subsequently raised to species rank as Dialytrichia fragilifolia (Bizot & Cl.Roux) F. Lara.It was later regarded as a variety of Dialytrichia mucronata, but taxonomic doubts remained pending further studies.More recently Barbula saxicola Lamy was shown to apply to this species and the transfer of Barbula saxicola to Dialytrichia necessitated the new combination D. saxicola (Lamy) M.J. Cano, since saxicola is the oldest available epithet

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