Solidago ulmifolia subsp. microphylla A.Gray Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Solidago species Solidago delicatula Name Homonyms Solidago ulmifolia var. microphylla A.Gray, 1882 Solidago ulmifolia subsp. microphylla A.Gray