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": ""}
  > United States       CARX LUCORUM VAR. AUSTROLUCORUM    CAREX *    Along Bl ue Ridge Parkway, 4.3 mi SW of its jct with Hwy 276 & 0.2 mi NE or Log Hollow Overlook; mile 416.3. pSa g  CYPERACEAE [fx          YL: J. RETTIG     lucorum    
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex lucorum var. austrolucorum", "scientificNameAuthorship": "J. Rettig", "genus": "Carex", "subgenus": "", "specificEpithet": "lucorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Along Blue Ridge Parkway, 4.3 mi SW of its jct with Hwy 276 & 0.2 mi NE or Log Hollow Overlook; mile 416.3.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}