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": ""}
edge of river. .rdU    q CYPERACEAE  mapo6 DEWEY  XH POALES  5 :S wayne     Frederick J. Hermann  xRV  MICHIGAN fI;Mw   NEAR ROCKWOOD. eg T  emoryi !T  1916-05-21     CECIL BILLINGTON at    s.n. FV   ?k >  CAREX  42.070876 $YnUO   -83.246596 KB  united states WFBF  Carex emoryi 5iQ2  1322215 kq 
{"catalogNumber": "1322215", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex emoryi", "scientificNameAuthorship": "Dewey", "genus": "Carex", "subgenus": "", "specificEpithet": "emoryi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "Cecil Billington", "recordNumber": "s.n.", "verbatimEventDate": "1916-05-21", "habitat": "Edge of river.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "Near Rockwood.", "decimalLatitude": "42.070876", "decimalLongitude": "-83.246596", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}