Quercus

Roadside Pennycress

Thlaspi alliaceum

Native status unresolved in Georgia

Ecological relationships

Who uses this plant?

2CaterpillarsGenus host records with ranges including GA

Genus host records with ranges including GA · Thlaspi

  • Eustixia pupulaSpotted Peppergrass Moth
  • Pontia protodiceCheckered White
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
—Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Thlaspi

  • Centrocercus urophasianusGreater Sage-Grouse
  • Pooecetes gramineusVesper Sparrow
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
Growing and identification

Plant details

Family
Brassicaceae

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

Growing sources and scope
Also known as

Garlic Pennycress; Roadside Pennycress; Thlaspi alliaceum; pennycress

Conservation status

Georgia rankNot available
Global rankGNR
GA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources