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": ""}
   ?8 UNITED STATES      f MAMMILLARIA    cactaceae 8<   D hildm. ex k.schum.  Z2A0> PERBELLA   los angeles m    =yWx4 caryophyllales 1642467 c  johnson cactus gardens, par4mount +z    120     M~33; california  schmoll g L2  sMAMMILLARIA PERBELL  S.l^  
{"catalogNumber": "1642467", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Mammillaria perbella", "scientificNameAuthorship": "Hildm. ex K.Schum.", "genus": "Mammillaria", "subgenus": "", "specificEpithet": "perbella", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Schmoll", "recordNumber": "120", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Los Angeles", "municipality": "", "locality": "Johnson Cactus Gardens, Paramount", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}