The mosses of Porto Rico and the Virgin Islands /
Crum, H.A.
The mosses of Porto Rico and the Virgin Islands / H.A. Crum and W.C. Steere. - New York : New York Academy of Sciences, 1957. - 599 p. : il. ; 25 cm. - Scientific survey of Porto Rico and the Virgin Islands ; v.7(4) .
Musgos
The mosses of Porto Rico and the Virgin Islands / H.A. Crum and W.C. Steere. - New York : New York Academy of Sciences, 1957. - 599 p. : il. ; 25 cm. - Scientific survey of Porto Rico and the Virgin Islands ; v.7(4) .
Musgos