Plant Diversity Ontology	Role Ontology	Source
http://purl.obolibrary.org/obo/BFO_0000002	http://purl.obolibrary.org/obo/bfo#Continuant	LOOM
http://purl.obolibrary.org/obo/BFO_0000020	http://purl.obolibrary.org/obo/bfo#SpecificallyDependentContinuant	LOOM