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": ""}
1466489 N?9     j CRATAEGUS "plentiful" [spines to 9 cm long]   U]   x!d Rosaceae  united states  UuN$   sc@ ernest j. palmer  o CRATAEGUS SUCCULENTA VAR. MACRACANTHA   i S.N. 46.09801 CZD5r  macracantha CI   K[7 Michigan  t VAR. rosales u0/2b    -88.33402 l   o f near crystal falls.  x_otC Iron    - succulenta (lodd. ex loudon) eggl. L( K   @&T# CHARLES A. DAVIS   =F 1905-08 
{"catalogNumber": "1466489", "order": "Rosales", "family": "Rosaceae", "scientificName": "Crataegus succulenta var. macracantha", "scientificNameAuthorship": "(Lodd. ex Loudon) Eggl.", "genus": "Crataegus", "subgenus": "", "specificEpithet": "succulenta", "verbatimTaxonRank": "var.", "infraspecificEpithet": "macracantha", "identifiedBy": "Ernest J. Palmer", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1905-08", "habitat": "", "occurrenceRemarks": "\"Plentiful\" [Spines to 9 cm long]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iron", "municipality": "", "locality": "Near Crystal Falls.", "decimalLatitude": "46.09801", "decimalLongitude": "-88.33402", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}