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": ""}
      voucher for silica sample cultivated. photo vouchers. =pRWz      USA, PIMA, ARID LANDS GREENHOUSES nVJ   euphorbiaceae WfX7         . 226   x)Y euphorbia cryptospinosa   CRYPTOSPINOSA WVH?  2009-06-28 7a6Z  
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia cryptospinosa", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "cryptospinosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "226", "verbatimEventDate": "2009-06-28", "habitat": "", "occurrenceRemarks": "Voucher for silica sample Cultivated. Photo vouchers.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "USA, Pima, Arid Lands Greenhouses", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}