Hydrangea arborescens f. arborescens Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Cornales family Hydrangeaceae genus Hydrangea species Hydrangea arborescens Name Homonyms Hydrangea arborescens subsp. arborescens Hydrangea arborescens f. arborescens Hydrangea arborescens var. arborescens