Repertorium plantarum succulentarum, XV-1964
Rowley, G.D., ed.
Repertorium plantarum succulentarum, XV-1964 - Utrecht 1966 - 16 p. - Vol 41; Netherlands Internati .
Repertorium plantarum succulentarum, XV-1964 - Utrecht 1966 - 16 p. - Vol 41; Netherlands Internati .