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": ""}
 Ptv; festucacea    TRS: T5S R32W sec 13 NE4 xVN       ~ Polk      schkuhr ex willd. ]a4~=            2.8 MILES NORTH OF ARKANSAS HIGHWAY 4 IN WILKES ON UNITED STATES HIGHWAY 71. gD  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Schkuhr ex Willd.", "genus": "", "subgenus": "", "specificEpithet": "festucacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Polk", "municipality": "", "locality": "2.8 miles north of Arkansas Highway 4 in Wilkes on United States Highway 71.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T5S R32W sec 13 NE4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}