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": ""}
 rK -83.338331   Cyperaceae $C>     45.041704 `    Anton A. Reznicek iZ-     Csj+0 michigan    alpena wm969  carex 4Y7 m     R9 >0 concinna  A united states   R. Br. 4 %    
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "R. Br.", "genus": "Carex", "subgenus": "", "specificEpithet": "concinna", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alpena", "municipality": "", "locality": "", "decimalLatitude": "45.041704", "decimalLongitude": "-83.338331", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}