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": ""}
1914-06-19  Ao   7O+_k 'BY KM WIEGAND'  K_ fd -85.1507 Sand dunes, plentiful. -   Chippewa o=G   H  Wiegand         9kA5 Rosaceae     LAEUIS     Amelanchieor laevis oyd  s.n. i^_b     
{"catalogNumber": "", "order": "", "family": "Rosaceae", "scientificName": "Amelanchier laevis", "scientificNameAuthorship": "Wiegand", "genus": "", "subgenus": "", "specificEpithet": "laevis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1914-06-19", "habitat": "Sand dunes, plentiful.", "occurrenceRemarks": "'By KM Wiegand'", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Chippewa", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.1507", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}