Pinus ponderosa f. deflexa (Torr.), 1905 Dataset GBIF Backbone Taxonomy Rank FORM Published in 3: 104. 1905 Classification kingdom Plantae phylum Tracheophyta class Pinopsida order Pinales family Pinaceae genus Pinus species Pinus jeffreyi Name Homonyms Pinus ponderosa f. deflexa (Torr.), 1905