Monograph of the neotropical fern genus Polybotrya (Dryopteridaceae)
By: Robbin C. Moran.
Contributors: Illinois. Natural History Survey Division.
Series: Illinois Natural History Survey bulletin -- v. 34, art. 1
Publisher: Illinois Natural History Survey
Published: 1987
Place of publication: Champaign, Ill
Language: eng
Number of pages: 138
Subjects: Ferns.