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": ""}
   *ZG Ericaceae   R KATHLEEN A. KRON  3279 xN*zp  MICHIGAN +(  sleeping Lbear dunes national lakeshore between m-22 and kelderhouse rd. csi H  ericales 5iinH  Rhododendron groenlandicum j     United States NaNk    N BRIAN T. HAZLETT   T groenlanoicum  R_h Rhododendron "flowers whte." u  1985-06-21 s    dJ   Leelanau   
{"catalogNumber": "", "order": "Ericales", "family": "Ericaceae", "scientificName": "Rhododendron groenlandicum", "scientificNameAuthorship": "", "genus": "Rhododendron", "subgenus": "", "specificEpithet": "groenlandicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Kathleen A. Kron", "recordedBy": "Brian T. Hazlett", "recordNumber": "3279", "verbatimEventDate": "1985-06-21", "habitat": "", "occurrenceRemarks": "\"Flowers white.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Leelanau", "municipality": "", "locality": "Sleeping Bear Dunes National Lakeshore between M-22 and Kelderhouse Rd.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}