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": ""}
 headwaters of glady fork opposite glady fork mtn, ca 4 km nw of sandy river (pittsylvania co). R-    4 8445    1993-04-28 0J6d   5c/d 1383922   -[0  prasina    carex R6  POALS Q  9     A9: Wahlenb.    TSr cyperaceae CAREX PRASINA hI5@  Henry b     B 6 virginia  Yy+2k UMITED STATES 287 9  thomas f. wieboldt jkX 
{"catalogNumber": "1383922", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex prasina", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "prasina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas F. Wieboldt", "recordNumber": "8445", "verbatimEventDate": "1993-04-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Henry", "municipality": "", "locality": "Headwaters of Glady Fork opposite Glady Fork Mtn, ca 4 km NW of Sandy River (Pittsylvania Co).", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "287", "maximumElevationInMeters": ""}