Cowpea Trait Ontology National Center for Biotechnology Information (NCBI) Organismal Classification Source
http://www.cropontology.org/rdf/CO_340:0000422 http://purl.bioontology.org/ontology/NCBITAXON/29002 LOOM
http://www.cropontology.org/rdf/CO_340:0000629 http://purl.bioontology.org/ontology/NCBITAXON/50385 LOOM
http://www.cropontology.org/rdf/CO_340:0000425 http://purl.bioontology.org/ontology/NCBITAXON/46038 LOOM