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": ""}
malpighiales =j     ;$7 back of temple bar, lake mead  a= ARIZONA  9X:_7 6457 polycarpa >!     EUPHORBIACEAE  T:   Euphorbia polycarpa 6     ?X E.U. CLOVER   1I  MOHAVE   q UNITED STATES  NtV e 1288941  -$8 1941-04  Euphorbia  J     ; BENTH. 
{"catalogNumber": "1288941", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia polycarpa", "scientificNameAuthorship": "Benth.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "polycarpa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.U. Clover", "recordNumber": "6457", "verbatimEventDate": "1941-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "Mohave", "municipality": "", "locality": "Back of Temple Bar, Lake Mead", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}