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": ""}
  TORR. & A. GRAY :^d+    DESERT EAST OF TUCSON. C*4       27 LOUIS C. WHEELER EUPHORBIA  ALBOMARGINATA G`4    JOHN H. EHLERS & LOIS S. EHLRS ff:        7370 W$Q9~       1939-04-24 r<ay    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Euphorbia albomarginata", "scientificNameAuthorship": "Torr. & A. Gray", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Louis C. Wheeler", "recordedBy": "John H. Ehlers & Lois S. Ehlers", "recordNumber": "7370", "verbatimEventDate": "1939-04-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Desert east of Tucson.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}