Punch card key to the families of dicotyledons of the Western Hemisphere south of the United States
By: by Donald R. Simpson and David Janos
Contributors: Janos, David
Publisher: Field Museum of Natural History
Published: 1974
Place of publication: Chicago
Language: eng
Number of pages: 63
Subjects: Botany; Identification; Dicotyledons; Punched card systems
Other titles: Families of dicotyledons of the Western Hemisphere south of the United States