Syzygiella teres (Machantiophyta) de la Isla Elefante, Antártida

Background and aims: The known liverwort flora of Elephant Island, Antarctica, is composed by six species: Cephalozia badia, Cephaloziella varians, Anthelia juratzkana, Barbilophozia hatcheri, Lophoziopsis excisa, and Syzygiella jacquinotii. The aim of this communication is to record Syzygiella teres in the island. M&M: The liverworts were studied by conventional technics for bryophytes and mounted in hoyer’s solution. Results: Syzygiella teres is characterized by unlobed leaves with colorless marginal border. The species is briefly described and illustrated. A comparative key for all liverworts known from Elephant Island is presented.