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": ""}
8540 ;    W Rhynchospora capillacea f. capillacea    KD=5b cperaceae     * 1935-08-04  4mX = Poales   , Gladwin  WUm~ UNITED STATES ELK L4KE BOG. Xr2j  R.R. Dreisbach :)$  F. +  capillacea a!q_#  RHYNCHOSPORA &QAv    K4 -84.361455 capillacea g]V1    o< 44.15636 MICHIGAtN )G  1331021 9  
{"catalogNumber": "1331021", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora capillacea f. capillacea", "scientificNameAuthorship": "", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "capillacea", "verbatimTaxonRank": "f.", "infraspecificEpithet": "capillacea", "identifiedBy": "", "recordedBy": "R.R. Dreisbach", "recordNumber": "8540", "verbatimEventDate": "1935-08-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gladwin", "municipality": "", "locality": "Elk Lake Bog.", "decimalLatitude": "44.15636", "decimalLongitude": "-84.361455", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}