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": ""}
-83.47468 <R      alpena P   1990-07-21 I    anton a. reznicek f  brachyelytrum aristosum l tb]    R]iK  lMichigan  Poaceae XyER  UNITED STATES  m%       poales [y8Y  3282 7D   W brachyelytrum   2h ?^ aristosum
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Brachyelytrum aristosum", "scientificNameAuthorship": "", "genus": "Brachyelytrum", "subgenus": "", "specificEpithet": "aristosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "3282", "verbatimEventDate": "1990-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alpena", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.47468", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}