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": ""}
  n^  1903-05  Hg macrosperma   O  ksm 52800 [flowering. active barcode. on same sheet *as 29 sep 1904 fruiting collection with inactive barcode 1480824]   z? 1465849    :$7 E CRATAEGUS Ashe :`C[$   31 ie   )& C] emma j. cole  UNITED STATES A- N      grand rapids. Crataegus macrosperma Sr   Wo-W4 42.96336 kent g;  Rosaceae *f    J ~(= -85.668086  MICHIGAN |7   ROSALES j*  
{"catalogNumber": "1465849", "order": "Rosales", "family": "Rosaceae", "scientificName": "Crataegus macrosperma", "scientificNameAuthorship": "Ashe", "genus": "Crataegus", "subgenus": "", "specificEpithet": "macrosperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "31", "verbatimEventDate": "1903-05", "habitat": "", "occurrenceRemarks": "KSM 52800 [Flowering. Active barcode. On same sheet as 29 Sep 1904 fruiting collection with inactive barcode 1480824]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "Grand Rapids.", "decimalLatitude": "42.96336", "decimalLongitude": "-85.668086", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}