REVISION OF THE GENUS LEPTOSCYPHUS MITT. (HEPATOPHYTA) FROM SOUTHERN SOUTH AMERICA

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  Leptoscyphus Mitt. is represented in southern South America by L. chilensis (De Not.) Hässel n. comb., L. antarcticus (C. Massal.) Solari, L. magellanicus (Gola) Hässel n. comb., L. huidobroanus (Mont.) Gottsche and L. chiloscyphoideus (Lindenb. ex Lehm.) Gottsche; all these are here described, illustrated and distinguished with a key. Leioscyphus patagonicus Steph., Lophocolea aromatica Steph., Chiloscyphus supinus β assimilis C. Massal., Lophocolea angulata Steph., Mylia pseudorepens Herzog and derived names are synonyms of Leptoscyphus chilensis (De Not.) Hässel; Leptoscyphus monoicus Solari is a new synonym of Leptoscyphus magellanicus (Gola) Hässel and Leptoscyphus hatcheri Fulford is a new synonym of Leptoscyphus chiloscyphoideus (Lindenb. ex Lehm.) Gottsche. Leptoscyphus expansus (Lehm.) Grolle is excluded from the area. The distribution of the species is extended through citations of specimens examined.