Core Ontology for Biology and Biomedicine	Plant Diversity Ontology	Source
http://purl.obolibrary.org/obo/bfo#MaterialEntity	http://purl.obolibrary.org/obo/BFO_0000040	LOOM
http://purl.obolibrary.org/obo/bfo#ImmaterialEntity	http://purl.obolibrary.org/obo/BFO_0000141	LOOM
http://purl.obolibrary.org/obo/bfo#Process	http://purl.obolibrary.org/obo/BFO_0000015	LOOM