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": ""}
  Ze7xH wedelia   f 1558020  BvI4Q walter n. koelz      !h West Garo Hills TURA, GARO HILLS 4D b     9 (l.) less.  !||U* in?dia    IY9e 610     Wedelia calendulacea CL:     1950-03-31 R+u  meghalaya 4B s  
{"catalogNumber": "1558020", "order": "", "family": "", "scientificName": "Wedelia calendulacea", "scientificNameAuthorship": "(L.) Less.", "genus": "Wedelia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1950-03-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "West Garo Hills", "municipality": "", "locality": "Tura, Garo Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}