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": ""}
 mDl UNITED STATES kathleen a. kron as   F~  Fagales   q; berrien var. 7    % h "VOUCHER SPEICMEN FOR M.S. THESIS."  >xJ) 1349668  cq Betula pumila var. pumila -86.316785  .&bfB    .  617  9]a pumila  + L.    41.961849 S.U<  PUMILA [  BETULA + Cij  1980-06-21 ~pO   ?L Small shrub in wet prairie.  2a INDI4N BOWL AREA  oL:[ betulaceae     v( michigan
{"catalogNumber": "1349668", "order": "Fagales", "family": "Betulaceae", "scientificName": "Betula pumila var. pumila", "scientificNameAuthorship": "L.", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pumila", "identifiedBy": "", "recordedBy": "Kathleen A. Kron", "recordNumber": "617", "verbatimEventDate": "1980-06-21", "habitat": "Small shrub in wet prairie.", "occurrenceRemarks": "\"Voucher speicmen for M.S. Thesis.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Indian Bowl area", "decimalLatitude": "41.961849", "decimalLongitude": "-86.316785", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}