"2009-05-18" . "Record Number"@en . "Example: \"OPP 7101\""@en . . . "DataSets/DataSet/Units/Unit/CollectorsFieldNumber" . . "2008-11-19" . "recommended" . . "An identifier given to the Occurrence at the time it was recorded. Often serves as a link between field notes and an Occurrence record, such as a specimen collector's number."@en . .