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Silybum marianum
blessed milk thistle Aster Family
Silybum marianum Asteraceae
--more--
common name
  blessed milk thistle
accepted scientific name
  Silybum marianum (L.) Gaertn.
rules for finding collection records
  Silybum marianum (743)
family name
  Asteraceae
Image Author: ©2004 Anthony Valois and the National Park Service
Image License: public domain
Image Source
Category: Wildflowers
Flowers: No obvious petals
Petal colors: color color
Flower size is 1. to 1.6 inches
Leaf: Alternate
Plant Observed 3rd week of February thru end of October
Invasive in WA. Noxious weed in OR.

How Likely at this Location (25%)
Name Match (100%)
Plant Showiness (63%)
base map where plant found

Disturbed
Riparian
Brush
Grassland
Forest
grid lines base