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": ""}
  Asw -83.88887   VHs United States  asterceae zR   ^6 P Charles A. Davis   M KRIGIA    W. BAY CITY no     D^a_ virginica   ngw=n michigan 1900-05 Gx   ;U/ KRIGIA VIGINICA      s.n. Uc@ g-   e M 43.59447 
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Krigia virginica", "scientificNameAuthorship": "", "genus": "Krigia", "subgenus": "", "specificEpithet": "virginica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1900-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "W. Bay City", "decimalLatitude": "43.59447", "decimalLongitude": "-83.88887", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}