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": ""}
   UD R no d4ta     1948-05-07 5     ERICALES 49     ) WALTER N. KOELZ (thunb.) miq. -b   20304 M&O:0     AW 2286 Symplocaceae hPyV^    MUU RL symplocos paniculata  along field eddge 6+  
{"catalogNumber": "", "order": "Ericales", "family": "Symplocaceae", "scientificName": "Symplocos paniculata", "scientificNameAuthorship": "(Thunb.) Miq.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "20304", "verbatimEventDate": "1948-05-07", "habitat": "Along field edge", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "no data", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2286", "maximumElevationInMeters": ""}