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": ""}
   rZb = RUBIACEAE  k6  -86.4591   j edward g. voss   1243946 1DKz         db 43.46838  1 1963-07-06  s side of flower creek near its mouth, sec. 4, white river tp., ca. 6 mi. nw of montague. YgMy     D=_d palustre galium palustre  ,%   A occasional on sandy shore, l. :Vd      jW ;] Muskegon
{"catalogNumber": "1243946", "order": "", "family": "Rubiaceae", "scientificName": "Galium palustre", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "palustre", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1963-07-06", "habitat": "occasional on sandy shore,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Muskegon", "municipality": "", "locality": "S side of Flower Creek near its mouth, sec. 4, White River Tp., ca. 6 mi. NW of Montague.", "decimalLatitude": "43.46838", "decimalLongitude": "-86.4591", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}