Juncus mertensianus var. gracilis (Engelmann) F.J.Herrman Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Juncaceae genus Juncus species Juncus nevadensis Name Homonyms Juncus mertensianus subsp. gracilis (Engelm.) F.J.Herm. Juncus mertensianus var. gracilis (Engelmann) F.J.Herrman