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": ""}
   ;pv@4 Cord, 2.0 miles east on Arkansas Highway 37.   P8c crus-gorvi trs$: t13n r3w sec 4/5 border &    J Cyperaceae    Carex crus-corvi `+@B       arkansas j_   United States Ku_p        
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex crus-corvi", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "crus-corvi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "", "municipality": "", "locality": "Cord, 2.0 miles east on Arkansas Highway 37.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T13N R3W sec 4/5 border", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}