Salix nigra f. gongylocarpa Schuttl. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Salix species Salix caroliniana Name Homonyms Salix nigra f. gongylocarpa Schuttl. ex Andersson Salix nigra f. gongylocarpa Schuttl.