Apium echinatum (Nutt.) Benth. & Hook. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Apiales family Apiaceae genus Spermolepis species Spermolepis echinata Name Homonyms Apium echinatum (Nutt.) Benth. & Hook. ex S.Watson Apium echinatum (Nutt.) Benth. & Hook.