Query: Angiosperms of the Western United States but not Asterid genera
Domain: plants
Relevant documents:
Calycanthus
Meconella
Nuphar polysepala
Notholithocarpus
Holodiscus
Cusickiella
Olneya
Achlys (plant)
Chrysolepis
Chamaebatiaria
Vancouveria
Shirleya
Nuphar carlquistii
Stanleya (plant)
Pseudotrillium
Suciacarpa
Lyonothamnus
Leucocrinum