Cirsium tweedyi 4% complete

No common name

(Rydb.) Rydb. 1917 - Fl. Rocky Mts. : 1007

Data sources

Each value Trefle shows for Cirsium tweedyi, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.

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Sourced5 Source not recorded2 Sources: POWO / WCVP (Kew), Merged from a synonym record
Field Shown What the sources say
Core
Author (Rydb.) Rydb. Sourced
Bibliography Fl. Rocky Mts. : 1007 Sourced
Rank species No source recorded
Source not recorded
Status accepted Sourced
Year 1917 Sourced
Descriptive
Family common name Aster family No source recorded
Source not recorded
Observations WC. U.S.A.
  • WC. U.S.A. · Merged from a synonym record (Cirsium eatonii var. murdockii) · Reported · 2026-10-11
Sourced