Quercus

Ribbed Bishopweed

Ptilimnium costatum

Native to Kentucky (estimated)

Ecological relationships

Who uses this plant?

1CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Ptilimnium

Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
7BeesSoutheastern regional records
0Specialist beesPollen specialists
—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
Apiaceae
Flower color
White

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

Growing sources and scope
Also known as

Big Bishopweed; Ribbed Mock Bishopweed

Conservation status

Kentucky rankSNR
Global rankG4
KY statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources