Repertorium plantarum succulentarum VIII, 1957
Rowley, G.D., ed.
Repertorium plantarum succulentarum VIII, 1957 - Utrecht 1959 - 24 p. - Vol 16; Netherlands Internati .
Repertorium plantarum succulentarum VIII, 1957 - Utrecht 1959 - 24 p. - Vol 16; Netherlands Internati .