Two new species of Uncinia (Cyperaceae) from austral South Arnerica and a first report of U. negeri in Argentina

Resumen

Two new species of Uncinia (Cyperaceae) are described from southern South America. Uncinia andina G. A Wheeler (sect. Platyandrae) and U. scabriuscula G. A Wheeler (sect. Uncinia) are transandean species that occur in Argentina and Chile, where both have been collected in Nothofagus forest. Additionally, U. negeri Kük. (sect. Uncinia) is reported for the first time in Argentina