Cirsium tweedyi (Rydb.) Rydb., 1917 4% complete

No common name

Fl. Rocky Mts. : 1007

Specifications

Images

Synonyms

Cirsium eatonii var. murdockii S.L.Welsh

Cirsium polyphyllum Rydb.

Carduus tweedyi Rydb.

Carduus polyphyllus Rydb.

Cirsium murdockii (S.L.Welsh) Cronquist