Jørgensen P. M.
(1994):
Further notes on european taxa of the lichen genus Leptogium, with emphasis on the small species,
Lichenologist,
26(1): 1-29
Leptogium imbricatum P.M. Jorg. sp. nov. and L. intermedium (Arnold) Arnold are established as the correct names for two fairly widespread, small species: L. imbricatum has an arctic-alpine distribution. Leptogium intermedium was previously mostly named L. minutissimum (Florke) Fr., the type of which is L. subtile (Schrader) Torss., a distinct species usually growing on rotting wood or debris. Leptogium magnussonii Degel. & P.M. Jorg, mainly from maritime rock outcrops in Norway and Sweden, is described …
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