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": ""}
  U Charle D. Richards   r VAR.    z Eb [calyx-lo8es glandular-serrate] crataegus macrosperma var. acutiloba Ua 7   Rosaceae #S    7d ACUTILOBA united states .~-w~  crataegus ]?   1465788 w1K  (SARG.) EGGL. q   1949-09-05 D.UR0      DXx  Near Point Mills. 2727 #  MICHIwG4N rD`aO   50)[ macrosperma R/osales uF   &IO HOUGHTON  , Ernest J. Palmer Road|de. 0V#Z  
{"catalogNumber": "1465788", "order": "Rosales", "family": "Rosaceae", "scientificName": "Crataegus macrosperma var. acutiloba", "scientificNameAuthorship": "(Sarg.) Eggl.", "genus": "Crataegus", "subgenus": "", "specificEpithet": "macrosperma", "verbatimTaxonRank": "var.", "infraspecificEpithet": "acutiloba", "identifiedBy": "Ernest J. Palmer", "recordedBy": "Charles D. Richards", "recordNumber": "2727", "verbatimEventDate": "1949-09-05", "habitat": "Roadside.", "occurrenceRemarks": "[Calyx-lobes glandular-serrate]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Near Point Mills.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}