Catálogo de tipos de algas depositados en el Herbario Nacional de Plantas Celulares (BA) del Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Argentina

the national cryptogamic herbarium (ba) contains 50.000 specimens, of which 9.000 are continental and marine algae. the catalogue consists of 11 argentine types and 20 foreign types from australia and brazil. five of the argentine types were deposited by lic. carmen pujals, a former researcher at the museum. the paper includes the alphabetically ordered list of names, their authors, date and original citation, followed by the type category, country, province, city, date and collector number and original citation. if there is an exsiccata the name, number, number of ba, observations and relevant notes are reported. when necessary, synonymy and authors are given.