Lunaria(left) and garlic mustard (right)
Leaves with glabrous undersides except hairy on veins. Part of larger population:
First known sexually reproductive, adventive population of Celastrus orbiculatus west of the Rockies- certainly in WA.
Part of larger EDRR population:
https://www.inaturalist.org/observations?nelat=47.40030409185084&nelng=-122.49385662404401&place_id=any&subview=map&swlat=47.39963597907023&swlng=-122.49475784627302&user_id=tomerler&verifiable=any&iconic_taxa=Plantae