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  1. Life
  2. Plants
  3. Vascular Plants
  4. Dicots
  5. Sunflowers, Bellflowers, Fanflowers, and Allies
  6. Sunflower Family
  7. Rosinweeds
  8. Roughstem Rosinweed

species 2,582 observations

Roughstem Rosinweed

Silphium radula

Status
present
Bees
5 specialists raised on its pollen
Traits
Where
In the US
Source
iNaturalist

Field notes

Supports All

32 native animals
supported in the US
  • Caterpillars Moths and butterflies raised on it Bordered Patch, Giant Eucosma Moth 2
  • Specialist bees Bees whose young are raised on the pollen of it Giant Sweat Bee, Hostile Leaf-cutter Bee, Yellow-faced Miner Bee, Rugose Spurred-Miner 5
  • Plant eaters Animals that feed on it Obscure Bird Grasshopper, Keeled Treehopper, American Goldfinch, Margined Blister Beetle 4
  • Flower visitors Pollinators and other flower visitors American Lady, American Bumble Bee, Ligated Furrow Bee, Sleepy Orange 21

Range

United States

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

Key traits

Layer
Herbaceous plants
Light
Full sun
Plant type
Perennial Wildflower

From USDA PLANTS and the Lady Bird Johnson Wildflower Center.

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