Lithococca tenella (Nutt.) Small Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Boraginales family Heliotropiaceae genus Euploca species Euploca tenella Name Homonyms Lithococca tenella (Nutt.) Small Lithococca tenella (Nutt.) Small ex Rydb.