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": ""}
H. MI. WILLMARTH W:   opuntia humifusa W0x(     Hc United States Pemberton *F   r Cactaceae   b LUCAS C. MAJURE humifusa _$   G&Z  1883-06-16  +7  S.N.    c N# new jersey   1644016 &v_  BURLINGTON k    |x  (raf.) raf. ARYOPHYLLALES ->~[    opuntia op9BZ  
{"catalogNumber": "1644016", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Opuntia humifusa", "scientificNameAuthorship": "(Raf.) Raf.", "genus": "Opuntia", "subgenus": "", "specificEpithet": "humifusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Lucas C. Majure", "recordedBy": "H. M. Willmarth", "recordNumber": "s.n.", "verbatimEventDate": "1883-06-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New Jersey", "county": "Burlington", "municipality": "", "locality": "Pemberton", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}