Compositae source details
(1911). Univ. Missouri Stud., Sci. Ser. 2(2)
330335
1911
Publication
Date
action
by
Carduus megacephalus (A.Gray) Nutt. ex Daniels accepted as Cirsium undulatum var. undulatum (Nutt.) Spreng. (original description)
Cirsium coloradense (Rydb.) Cockerell ex Daniels accepted as Cirsium scariosum var. coloradense (Rydb.) D.J.Keil (original description)
Cirsium megacephalum (A.Gray) Cockerell accepted as Cirsium undulatum var. undulatum (Nutt.) Spreng. (original description)
Cirsium parryi (A.Gray) Cockerell ex Daniels accepted as Cirsium parryi (A.Gray) Petr. (original description)
Cirsium scopulorum (Greene) Cockerell ex Daniels accepted as Cirsium eatonii var. eriocephalum (A.Gray) D.J.Keil (original description)
Cirsium coloradense (Rydb.) Cockerell ex Daniels accepted as Cirsium scariosum var. coloradense (Rydb.) D.J.Keil (original description)
Cirsium megacephalum (A.Gray) Cockerell accepted as Cirsium undulatum var. undulatum (Nutt.) Spreng. (original description)
Cirsium parryi (A.Gray) Cockerell ex Daniels accepted as Cirsium parryi (A.Gray) Petr. (original description)
Cirsium scopulorum (Greene) Cockerell ex Daniels accepted as Cirsium eatonii var. eriocephalum (A.Gray) D.J.Keil (original description)
