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": ""}
44.8378 M   w_j pilosum  !5z alcona   1951-08-12 Qr8   1251591 ; k^  michigan kOm,     Asterales Y)d|5    c -83.3095   : 12539    ;F on wet sandy shores of Lake Huron; abunWdant. asteraceae         -0a  (a. gray) g. l. nesom  x "rays white; disk pale yellow." 
{"catalogNumber": "1251591", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(A. Gray) G. L. Nesom", "genus": "", "subgenus": "", "specificEpithet": "pilosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "12539", "verbatimEventDate": "1951-08-12", "habitat": "on wet sandy shores of Lake Huron; abundant.", "occurrenceRemarks": "\"Rays white; disk pale yellow.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Alcona", "municipality": "", "locality": "", "decimalLatitude": "44.8378", "decimalLongitude": "-83.3095", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}