Galarhoeus arkansanus (Engelm. & A.Gray) Small Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Euphorbia species Euphorbia spathulata Name Homonyms Galarhoeus arkansanus (Engelm. & A.Gray) Small ex Rydb. Galarhoeus arkansanus (Engelm. & A.Gray) Small