Campanula americana var. hirsuta Houst. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Solanales family Hydroleaceae genus Hydrolea species Hydrolea spinosa Name Homonyms Campanula americana var. hirsuta Houst. ex Sw. Campanula americana var. hirsuta Houst.