A SYNOPSIS OF THE GENUS PACKERA (ASTERACEAE: SENECIONEAE) IN MEXICO
Freeman, Craig Carl Barkley, T. M. (Theodore Mitchell), 1934-2004
Article
1995
SIDA, contributions to botany
16
699--709
BioStor
English
[Dallas, W. F. Mahler, etc.], 1962-
BioStor: https://biostor.org/reference/158927
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