Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
 7 virginiea beach, city0 of   contact um herbarium .:         ITr POACEAE   >WJV 7859 RIPARIUS c8  elymus _d1L     Elymus riparius g   1968-08-15 c  LeRoy H. Harvey =Y ^     POALES P    
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus riparius", "scientificNameAuthorship": "", "genus": "Elymus", "subgenus": "", "specificEpithet": "riparius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "7859", "verbatimEventDate": "1968-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Virginia Beach, City of", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}