Hitchcock, C. Leo.
A revision of the North American species of Lathyrus : vol. 15 / C. Leo Hitchcock. - Seattle : University of Washington Press, c1952. - 104 p. : ill. , maps ; 26 cm. - University of Washington publications in biology .
Includes index.
Lathyrus
581 / HIR
A revision of the North American species of Lathyrus : vol. 15 / C. Leo Hitchcock. - Seattle : University of Washington Press, c1952. - 104 p. : ill. , maps ; 26 cm. - University of Washington publications in biology .
Includes index.
Lathyrus
581 / HIR