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": ""}
   _= Tamarix dioica  TAMARIX   Q   s ?V  River sand 29190 /<x    c assam INDIA       .4 PALASBARI Roxb. ex Roth u  tamaricaceae a]       suS(F 1507383 1952-01-10 Em?  kamrup i HF   eV18K dioica    KE CARYOPHYLLALES WALTERN. KOELZ xN@Tz 
{"catalogNumber": "1507383", "order": "Caryophyllales", "family": "Tamaricaceae", "scientificName": "Tamarix dioica", "scientificNameAuthorship": "Roxb. ex Roth", "genus": "Tamarix", "subgenus": "", "specificEpithet": "dioica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "29190", "verbatimEventDate": "1952-01-10", "habitat": "River sand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Kamrup", "municipality": "", "locality": "Palasbari", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}