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": ""}
1958-08-02 7[hOJ   rg+ asparagales   $K  250       :6L+ United States  kxi E.U. Clover  maianthemum stellatum  4O3   N Michigan    % r;? -85.588991 charlevoix Lav      rg (l.) link   asparagaceae ^b    
{"catalogNumber": "", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Maianthemum stellatum", "scientificNameAuthorship": "(L.) Link", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.U. Clover", "recordNumber": "250", "verbatimEventDate": "1958-08-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Charlevoix", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.588991", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}