Preliminary revision of the North American species of cactus, anhalonium, and lophophora
By: by John M. Coulter
Contributors: NetLibrary, Inc
Publisher: Project Gutenberg; NetLibrary
Published: 199u
Place of publication: Champaign, Ill; Boulder, Colo
Language: eng
Format: [electronic resource] /
Subjects: Botany; Cactus
Notes: Mode of access: World Wide Web.