http://purl.obolibrary.org/obo/BFO_0000003
occurrent
An entity that has temporal parts and that happens, unfolds or develops through time.
http://www.w3.org/2002/07/owl#Class
BFO:0000003
http://purl.obolibrary.org/obo/BFO_0000001
plant_experimental_conditions_ontology