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": ""}
 -xc  L.   Q<y Charles D. Richards 1951-08-24 q)Yh)X   V Washtenw  [nearly glabrous & glandless] p/  j   fagales B_   united states  b)     4984    betula W<g     ZD% MICHIGAN 1349581U Mrv    BETULA PUMILA P>8H   swampy margin. Z]   3i# H murra's lake, plymouth rd., about 4 mi. ne of dixboro.  4c pumila 
{"catalogNumber": "1349581", "order": "Fagales", "family": "", "scientificName": "Betula pumila", "scientificNameAuthorship": "L.", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "4984", "verbatimEventDate": "1951-08-24", "habitat": "Swampy margin.", "occurrenceRemarks": "[Nearly glabrous & glandless]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Murray's Lake, Plymouth Rd., about 4 mi. NE of Dixboro.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}