Spiraea tomentosa var. alba Marshall Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Spiraea species Spiraea alba Name Homonyms Spiraea tomentosa f. alba (Weston) Rehder Spiraea tomentosa var. alba Weston Spiraea tomentosa var. alba (Marshall) Castigl., 1790 Spiraea tomentosa var. alba Marshall Spiraea tomentosa subsp. alba Marshall