You selected Crataegus punctata var. microphylla Sarg. This is a synonym for:

Accepted scientific name:
Crataegus punctata Jacq. (accepted name) 1 literature reference for Crataegus punctata Jacq.
Synonyms: -
Infraspecific taxon: Crataegus punctata forma aurea (Aiton) Rehder
Crataegus punctata subtaxon aurea Aiton
Crataegus punctata var. brevispina Douglas ex Hook.
Crataegus punctata forma canescens (Britton) Kruschke
Crataegus punctata var. canescens Britton
Crataegus punctata forma intermedia Kruschke
Crataegus punctata var. microphylla Sarg.
Crataegus punctata var. mutabilis Gruber
Crataegus punctata var. nitidula (Sarg.) Farw.
Crataegus punctata var. pausiaca (Ashe) E.J.Palmer
Crataegus punctata var. punctata
Crataegus punctata forma rubra Aiton
Crataegus punctata var. tenax (Ashe) Farw.
Crataegus punctata var. xanthocarpa (M.Roem.) Lavall‚e
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:2b7c0e42-60a7-102d-be47-00304854f810:ac2010