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 About 20 km SE of Hilulsdale. Trail Rd., N. side. poales lS!_I       MICHIGAN  cyperaceae 38f&C    Locally frequent in boggy meadow, unshaded.         2 Carex  :r united states  [ Peter W. Fritsch     -a ANTON A. REZNICEK    SHq< Carex sartwellii 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex sartwellii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Peter W. Fritsch", "recordNumber": "", "verbatimEventDate": "", "habitat": "Locally frequent in boggy meadow, unshaded.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "About 20 km SE of Hillsdale. Trail Rd., N. side.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}