You selected Crataegus punctata var. brevispina Douglas ex Hook. This is a synonym for:

Accepted scientific name:
Crataegus douglasii Lindl. (accepted name) 1 literature reference for Crataegus douglasii Lindl.
Synonyms: -
Infraspecific taxon: Crataegus douglasii forma badia Sarg.
Crataegus douglasii var. douglasii
Crataegus douglasii var. duchesnensis S.L.Welsh
Crataegus douglasii var. rivularis (Nutt. ex Torr. & A.Gray) Sarg.
Crataegus douglasii var. suksdorfii Sarg.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rosales
Family Rosaceae
Genus Crataegus
Distribution: -
Additional data: -
Source database: IOPI-GPC, 10.0, Aug 2007
Latest taxonomic scrutiny: R. Pankhurst, 2009
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:2afe124e-60a7-102d-be47-00304854f810:ac2010