Abstract
Resumen Catalogue of algae types deposited in the National Cryptogamic Herbarium (BA) of theMuseo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Argentina. The National CryptogamicHerbarium (BA) contains 50.000 specimens, of which 9.000 are continental and marine algae. The catalogue consistsof 11 argentine types and 20 foreign types from Australia and Brazil. Five of the argentine types were depositedby Lic. Carmen Pujals, a former researcher at the Museum. The paper includes the alphabetically ordered listof names, their authors, date and original citation, followed by the type category, country, province, city, date andcollector number and original citation. If there is an Exsiccata the name, number, number of BA, observationsand relevant notes are reported. When necessary, synonymy and authors are given.