Crataegus laurentiana var. dissimilifolia Kruschke Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus jonesiae Name Homonyms Crataegus laurentiana var. dissimilifolia Kruschke Crataegus laurentiana var. dissimilifolia Kruschke ex J.B.Phipps