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": ""}
   Ag 4 UNITED STATES  VC 1322898 POALES y;R4   g -83.6809 Along roadside. 8U[H   O% 3 MILES SOUTH OF MILAN.  vbp# j carey   d@   26     8,>X CYPERACEAE  G # MICHIGAN   M  CAREX     CAAEX GRAYI ^6r    
{"catalogNumber": "1322898", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex grayi", "scientificNameAuthorship": "J. Carey", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "264", "verbatimEventDate": "", "habitat": "Along roadside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "3 miles south of Milan.", "decimalLatitude": "", "decimalLongitude": "-83.6809", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}