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": ""}
United States D   VJ cirsium    n- Asteraceae  asterales H     HOWARD SCOTT GENTRY 4j   R r CIRSIUM WHEELERI 2286  .6   BagZ 1442398 3138 w7  (a. gray) petrak  B=     wheeleri 0    B ariona     H 1937-09    qN& CONTACT UM HERBARIUM
{"catalogNumber": "1442398", "order": "Asterales", "family": "Asteraceae", "scientificName": "Cirsium wheeleri", "scientificNameAuthorship": "(A. Gray) Petrak", "genus": "Cirsium", "subgenus": "", "specificEpithet": "wheeleri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard Scott Gentry", "recordNumber": "3138", "verbatimEventDate": "1937-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2286", "maximumElevationInMeters": ""}