Machaeranthera gentryi (Standl.) Jackson Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Psilactis species Psilactis gentryi Name Homonyms Machaeranthera gentryi (Standl.) Jackson ex B.L.Turner Machaeranthera gentryi (Standl.) Jackson