Aruncus sylvestris var. acuminatus (Douglas) Jeps. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Aruncus species Aruncus dioicus Name Homonyms Aruncus sylvestris subsp. acuminatus (Douglas ex Hook.) Kartesz Aruncus sylvestris var. acuminatus (Douglas) Jeps.