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 eVMd     3/ BRITTON  "BARK DEEPLY FURROWED, SLIGHT WINTERGREEN FLAVOR" e    Hxb alleghaniensis   Zt Betula alleghaniensis      j Michigan   UNITED STATES 72    ^_d DIsle Royale, 2 miles S of Todd Harbor.    DM -88.8139 JAMES B. MCFARLIN tb   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Betula alleghaniensis", "scientificNameAuthorship": "Britton", "genus": "Betula", "subgenus": "", "specificEpithet": "alleghaniensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James B. McFarlin", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Bark deeply furrowed, slight wintergreen flavor\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Isle Royale, 2 miles S of Todd Harbor.", "decimalLatitude": "", "decimalLongitude": "-88.8139", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}