Synonyms
Crataegus sanguinea Torr. & A.Gray
Crataegus glandulosa macracantha Lindl.
Crataegus macracantha var. occidentalis (Britton) Eggl.
Mespilus macracantha (Lodd. ex Loudon) Wenz.
Crataegus succulenta var. macracantha (Lodd. ex Loudon) Eggl.
Crataegus douglasii Macoun