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": ""}
   7hg SN.   MELAMPYRUM =M-?8    Jc-g- grpm 40894   4D desr.  BUNCOMBE mo3L   united states &   + Near Biltmore      N melampyrum lineare  c~ OROBANCHACEAE    cz$el DRY GROUNDS   
{"catalogNumber": "", "order": "", "family": "Orobanchaceae", "scientificName": "Melampyrum lineare", "scientificNameAuthorship": "Desr.", "genus": "Melampyrum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Dry grounds", "occurrenceRemarks": "GRPM 40894", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Buncombe", "municipality": "", "locality": "Near Biltmore", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}