na INLIS000000000060540 20230701122224 0010-0723000028 ta 230701 g 0 eng 582.394(881/3) 582.394(881/3) POS f POSTHUMUS, O. The ferns of Surinam and of French and British Guiana / O. Posthumus Malang : Jahn's Drukkerij, 1928 196 p. : ill. ; 21 cm. Index: p. 185-196 FERNS SURINAME FRENCH GUIANA GUYANA 93 C 38