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Jacobaea vulgaris
tansy ragwort Aster Family
Jacobaea vulgaris Asteraceae
common names
  tansy ragwort
  stinking willie
accepted scientific name
  Jacobaea vulgaris Gaertn.
rules for finding collection records
  Jacobaea vulgaris (4)
  Senecio jacobaea (490)
family name
Image Author: ©2014 Yan Soucie
Image License: CC BY-SA
Image Source Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is .6 to 1. inches
Number of ray petals: 11 to 15
Leaf: Alternate, Basal
Plant Observed beginning of April thru 3rd week of November
Native to northern Eurasia. Noxious weed in MT, OR.

How Likely at this Location (20%)
Name Match (100%)
Plant Showiness (54%)
Links to Plant Photos
Wikimedia Commons (39)
Cal Photos (36)
Measurable Photos (14)
Paul Slichter (4)
G.D.Carr (8)
Morwell NP (1)
base map where plant found
mag select

grid lines base