Compositae source details
(1938). Amer. J. Bot. 25
308215
1938
Publication
Date
action
by
Cirsium arcuum A.Nelson accepted as Cirsium neomexicanum A.Gray (original description)
Gutierrezia polyantha A.Nelson accepted as Gutierrezia serotina Greene (original description)
Hymenoclea hemidioica A.Nelson (original description)
Megalodonta beckii var. hendersonii Sherff accepted as Bidens beckii Torr. ex Spreng. (original description)
Piptothrix arizonica A.Nelson (original description)
Gutierrezia polyantha A.Nelson accepted as Gutierrezia serotina Greene (original description)
Hymenoclea hemidioica A.Nelson (original description)
Megalodonta beckii var. hendersonii Sherff accepted as Bidens beckii Torr. ex Spreng. (original description)
Piptothrix arizonica A.Nelson (original description)
