Bryophytes of the oasis Molodyoznyi (Enderby Land, Antarctica)

For the first time the bryoflora of oasis Molodyoznyi (Enderby Land, Antarctica) was investigated in details. Detailed field studies in 2010–2013, generalization of literature data and study of collections from Bryological Herbarium of Komarov Botanical Institute (LE) resulted in records of eight moss species. Four species (Bryum archangelicum Bruch et Schimp., B. argenteum Bruch et Schimp., Coscinodon lawianus (J. H. Willis) Ochyra и Schistidium antarctici (Card.) L. I. Savicz et Smirnova) are new for oasis Molodyoznyi. Coscinodon lawianus and Schistidium antarctici are new for Enderby Land. Representative specimens and data on habitats and associated species are provided. The moss vegetation of oasis Molodyoznyi is very poor and typical for continental coastal oases of Antarctica. The most common mosses are Ceratodon purpureus and Bryum pseudotriquetrum. Bryum argenteum, Coscinodon lawianus and Schistidium antarctici are rare in oasis Molodyoznyi and Hennediella heimii (Hedw.) R. H. Zander and Orthogrimmia sessitana (De Not.) Ochyra et Żarnowiec are known for oasis Molodyoznyi from the literature only.