species 20,015 observations
Cobwebby Thistle
Cirsium occidentale
Field notes
Cirsium occidentale, with the common name cobweb thistle or cobwebby thistle, is a North American species of thistle in the family Asteraceae.
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147
native animals
supported in the US
supported in the US
-
Caterpillars
Moths and butterflies raised on it
Mylitta Crescent, Painted Lady, Pacific Coast Stalk Borer Moth, American Lady
10
-
Specialist bees
Bees whose young are raised on the pollen of it
Oblique Longhorn Bee, Pugnacious Leafcutter Bee, Horn-faced Leafcutter Bee, Small Long-horned Bee
14
-
Plant eaters
Animals that feed on it
Rufous Hummingbird, Large-tailed Aphideater, Black-margined Flower Fly, Cultellunguis americanus
13
-
Flower visitors
Pollinators and other flower visitors
Anna's Hummingbird, Black-tailed Bumble Bee, Pale Swallowtail, Yellow-faced Bumble Bee
110
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Herbaceous plants
- Light
- Full sun Part shade
- Plant type
- Perennial Wildflower
From USDA PLANTS and the Lady Bird Johnson Wildflower Center.