TYPIFICATION AND DISTRIBUTION OF THE VARIETIES OF GNAPHALIUM HELLERI BRITTON (COMPOSITAE-INULEAE)
Mahler, William F.
Article
1975
SIDA, contributions to botany
6
30--32
BioStor
English
[Dallas W. F. Mahler, etc.] 1962-
BioStor: https://biostor.org/reference/158503