New or interesting lichens from the Limousin region (Western Massif Central, France)

摘要

The mountainous landscape of Limousin region (Massif Central, France), swept by an Atlantic climate and high precipitation, bears a rich lichen flora with 43 lichens worthy of mention. Platismatia norvegica and Micarea farinosa are new species for the lichen biota of France and continental Europe, and Arthothelium spectabile,Naetrocymbe fraxinii and Usnea longissima are new to central and western France. These are also new records for the three Departments, Creuse (no. 23), Haute-Vienne (no. 87) and Correze (no. 19), as well as Arthonia vinosa, Arthopyrenia persoonii, Bacidina phacodes,Bunodophoron melanocarpum, Calicium glaucellum, Callome multipartita, Flavocetraria cucullata, Graphis inustuloides, Lecanora cadubriae, Melanohalea elegantula, Mycomicrothelia confusa, Psilolechia clavulifera and Zwackhia viridis. Confirmation of pre-1959 records for one of the three Departments or for an additional locality in a neighbouring one are Alyxoria culmigena, A. varia, Arthonia didyma, Buellia schaereri, Caloplaca cerina, Catillaria nigroclavata, Cetrelia olivetorum, Chaenotheca chrysocephala, Ch. furfuracea, Chaenothecopsis pusilla, Collema nigrescens, Dendrographa decolorans, Lecania cyrtella, Lecidella elaeochroma f. flavicans, Melanohalea laciniatula,Nephroma laevigatum, Pannelina carporrhizans, Peltigera membranacea, Ramalina calicaris, R. fastigiata, Sticta fuliginosa, S. sylvatica, Thelopsis rubella and Usnea subfloridana.