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": ""}
ziziphus d-   malappuram  PTHr      ^  1937-03-03     bUp1= nilambur, madras presidency     WALTER N. KOELZ XYLOPYRUS r   india 8zO   Kerala ZB|u   NK@7 Rhamnaceae    1506512 p     (h3L WILLD. ROSALES KJ7   I1k3A Ziziphus xylopyrus
{"catalogNumber": "1506512", "order": "Rosales", "family": "Rhamnaceae", "scientificName": "Ziziphus xylopyrus", "scientificNameAuthorship": "Willd.", "genus": "Ziziphus", "subgenus": "", "specificEpithet": "xylopyrus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1937-03-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Kerala", "county": "Malappuram", "municipality": "", "locality": "Nilambur, Madras Presidency", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}