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Simpson's Rosinweed

Silphium simpsonii

Found in longleaf pinelands. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

55
Strong

Native to Alabama. How scores work Is it native here?

Profile 24%

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At a glance

Not yet recorded · Height · Spread · Light · Soil · Life cycle · Leaves · Bloom

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 7 Alabama counties.

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 88 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Silphium

  • Eucosma giganteanaGiant Eucosma
  • Papaipema baptisiaeWild Indigo Borer, Indigo Stem Borer
  • Papaipema nebrisStalk Borer
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
36BeesSoutheastern regional records

Southeastern regional records · Silphium

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
7Specialist beesPollen specialists

Pollen specialists · Silphium

  • Dianthidium curvatum
  • Dieunomia heteropoda
  • Megachile parallela
  • Melissodes dentiventris
  • Melissodes vernoniae
  • Melissodes wheeleri
  • Paranthidium jugatorium
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Asteraceae

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Conservation status

Alabama rankNot available
Global rankNot available
AL statusNot verified
Federal statusNot verified

Conservation source

In your garden

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Sources