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": ""}
 Rhododendron viscosum &Kx 8  united states PL_AI  KrYA Ericaceae  !v grpm 41808  ^ 1894-06-19    Ericales  L.S. LIINGSTON |f? %   1509310  c   morris D    F a torr.  viscosum     <MN: s.n.    z Y NEW JERSEY   _L madison   % Rhododendron 
{"catalogNumber": "1509310", "order": "Ericales", "family": "Ericaceae", "scientificName": "Rhododendron viscosum", "scientificNameAuthorship": "Torr.", "genus": "Rhododendron", "subgenus": "", "specificEpithet": "viscosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L.S. Livingston", "recordNumber": "s.n.", "verbatimEventDate": "1894-06-19", "habitat": "", "occurrenceRemarks": "GRPM 41808", "associatedTaxa": "", "country": "United States", "stateProvince": "New Jersey", "county": "Morris", "municipality": "", "locality": "Madison", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}