Broad-leaved Spignel 
Broadleaf False Carrot 
Bunium paucifolium 
Bunium pestalozzae 
Bupleurum brevicaule 
Bupleurum exaltatum 
Bupleurum gerardi 
Bupleurum lancifolium 
Bupleurum nodiflorum 
Burnet-saxifrage 
Call's Angelica 
Canadian honewort 
Canby's Biscuitroot 
Capnophyllum peregrinum 
Carrot 
Carrot Tops 
Celery-leaved alexanders 
Chaerophyllum aurantiacum 
Chaetosciadium trichospermum 
Cheiranthera linearis 
Columbia desert parsley 
Common Hedge Parsley 
Common hogweed 
Common Star-Hair