Plant Diversity Ontology	RegenBase ontology	Source
http://purl.org/obo/owl/PATO#Morphology	http://regenbase.org/ontology#RB_0000190	LOOM
http://purl.obolibrary.org/obo/bfo#Quality	http://regenbase.org/ontology#RB_0000484	LOOM
http://purl.obolibrary.org/obo/bfo#MaterialEntity	http://regenbase.org/ontology#RB_0000481	LOOM
http://purl.obolibrary.org/obo/bfo#Process	http://regenbase.org/ontology#RB_0008000	LOOM