Population and Community Ontology Cowpea Trait Ontology Source
http://purl.obolibrary.org/obo/PATO_0000014 http://www.cropontology.org/rdf/CO_340:0000433 LOOM
http://purl.obolibrary.org/obo/PATO_0000014 http://www.cropontology.org/rdf/CO_340:0000822 LOOM