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": ""}
  BG 8 1485288      rs~ MUSKEGON   2 n torr. ex a. gray -86.07944 GG&  CYPERACEAE  N~ ?        lDbH  Michigan   RHYNCHOSPOAA MACROSTACHYA  UJ  1802 Y      E( AHYNHOSPORA   
{"catalogNumber": "1485288", "order": "", "family": "Cyperaceae", "scientificName": "Rhynchospora macrostachya", "scientificNameAuthorship": "Torr. ex A. Gray", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1802", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.07944", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}