Pomatocalpa siamense (Rolfe ex Downie) Summerh. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Asparagales family Orchidaceae genus Pomatocalpa species Pomatocalpa maculosum Name Homonyms Pomatocalpa siamense (Rolfe ex Downie) Summerh.