Variation within and among populations of Pacific Northwest Opuntia (Cactaceae) species
By: by Susan M. Skillman.
Published: 1981
Language: eng
Number of pages: 44
Subjects: Cactus.; Botany -- Northwest, Pacific.
Notes: Thesis (M.S.)--Washington State University, 1981.

Bibliography: leaves 37-39.

WSU:"Department of Botany."