Abstract
AbstractA revised classification of the liverwort genus Leptoscyphus (Lophocoleaceae) is presented on the basis of previous phylogenetic analyses as well as morphological examination of recent plant material and type specimens. The three subgenera that have traditionally been recognized based on morphological grounds, namely Leptoscyphus subg. Anomylia, L. subg. Physoscyphus, and L. subg. Leptoscyphus, are well retrieved by the phylogeny. Two new subgenera, L. subg. Spinoscyphus and L. subg. Australoleptoscyphus, are created for L. cleefii and L. spectabilis and the southern South Hemisphere species, respectively. Three new species, namely L. gradsteinii, L. lambinonii, and L. sotiauxii, are described here based on molecular and morphological evidence. The new combination L. porphyrius subsp. azoricus is made. Lectotypes are designated for Chiloscyphus australis, C. huidobroanus, Jungermannia amphibolia, J. pallidovirens, J. physocalyx, Lophocolea belmorana, L. diversifolia, L. excipulata, and Mylia azorica.
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