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": ""}
  BETULA PUMILA VAR. GLABRA fx        42.53187 HlG     .kNa~ Fagales betula Ss4Iv  glabra Kp4_  pumila F<m  OAKLAND #K*?   michian #fL[    iy OLIVER A. FARWELL UNITED STATES `    9^ -83.48246     2 4486 
{"catalogNumber": "", "order": "Fagales", "family": "", "scientificName": "Betula pumila var. glabra", "scientificNameAuthorship": "", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "glabra", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "4486", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "", "decimalLatitude": "42.53187", "decimalLongitude": "-83.48246", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}