CHRISTENSEN, CARL.
The Collection of Pteridophyta made in Hispaniola by E.L. Ekman 1917 and 1924-1930.
Stockholm, 1936. Royal8vo. Orig. printed wrappers. Frontwrapper torn in lower right corner. 93 pp.and 20 plates.
(Kungl. Svenska Vetenskaps Akademiens Handlingar).
Order-nr.: 31611