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  1. Life
  2. Plants
  3. Vascular Plants
  4. Dicots
  5. Sunflowers, Bellflowers, Fanflowers, and Allies
  6. Sunflower Family
  7. Cotton Thistles
  8. Cotton Thistle

species 22,056 observations

Cotton Thistle

Onopordum acanthium

Status
introduced
Traits
Where
In the US
Source
iNaturalist

Field notes

Supports All

36 native animals
supported in the US
  • Caterpillars Moths and butterflies raised on it American Lady, Painted Lady 2
  • Hosted animals Gall makers, leaf miners and other animals living on or in it Thistle Crown Weevil 1
  • Plant eaters Animals that feed on it Mallard, Common Raven, Eurasian Jackdaw, Redpoll 8
  • Flower visitors Pollinators and other flower visitors Brown-belted Bumble Bee, Hunt's Bumble Bee, Golden Northern Bumble Bee, Sonoran Bumble Bee 25

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided

Key traits

Layer
Herbaceous plants
Plant type
Wildflower

From USDA PLANTS.

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