systematic study of the American species of A̲lnus (Betulaceae).
Published: 1978
Language: eng
Number of pages: 503
Subjects: Alder.
Notes: Thesis (Ph. D.) -- Michigan State University, 1974.

Bibliography: leaves 481-503.

Photocopy. Ann Arbor, Mich. : University Microfilms International, 1978. 21 cm.