Quercus

Two-leaved Toothwort

Cardamine diphylla

Native to Kentucky (estimated)

Ecological relationships

Who uses this plant?

3CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Cardamine

  • Anthocharis mideaFalcate Orangetip
  • Evergestis pallidataPurple-Backed Cabbageworm Moth
  • Pieris virginiensisWest Virginia White
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
12BeesSoutheastern regional records

Southeastern regional records · Cardamine

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
1Specialist beesPollen specialists

Pollen specialists · Cardamine

  • Andrena arabis
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
1BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Lagopus lagopusWillow Ptarmigan
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

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

Growing and identification

Plant details

Family
Brassicaceae
Hardiness
Zones 4a–8b
Soil pH
Acidic
Flower color
Pink or white

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

Growing sources and scope
Also known as

Crinkleroot Toothwort; Two leaved Toothwort

Conservation status

Kentucky rankS5
Global rankG5
KY statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your spot?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

Choose a county to begin.

How to check your spot

Sources