Title
PAPPUS VARIATION IN NORTH AMERICAN ASTERS. I. DOUBLE, TRIPLE AND QUADRUPLE PAPPUS IN SYMPHYOTRICHUM AND RELATED ASTER GENERA (ASTERACEAE: ASTEREAE)
By
Semple, John C.
Hood, Jennifer L A
Original Publication
SIDA, contributions to botany
Published by
[Dallas W. F. Mahler, etc.] 1962-
Identifiers
BioStor:
https://biostor.org/reference/159715