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": ""}
  z WALTER N. KOELZ  iDM, var.   apiales 3     Nongpoh, Khasi Hills fFWJ        Hydrocotyle javanica var. hookeri /9   pJEP2 c.b.clarke  HYDROCOTYLE Fj   HOOKERI a   Px,M 22989a     
{"catalogNumber": "", "order": "Apiales", "family": "", "scientificName": "Hydrocotyle javanica var. hookeri", "scientificNameAuthorship": "C.B.Clarke", "genus": "Hydrocotyle", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "hookeri", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "22989a", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Nongpoh, Khasi Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}