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": ""}
Cyperaceae 6      % = UNITED STATES var. ZeaIC   nicholas riehl  &?    Tvu^a carex MISSOURI TRi  DIGITALIS 8u-@   n: 53   b-  digitalis     .,+tN Carex digPitalis var. digitalis 1368542 d     XzynU 1838  poales ^;M   OMd ST. LOUIS.  |d,,  st. louis, city of
{"catalogNumber": "1368542", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex digitalis var. digitalis", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "digitalis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "digitalis", "identifiedBy": "", "recordedBy": "Nicholas Riehl", "recordNumber": "53", "verbatimEventDate": "1838", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "St. Louis, City of", "municipality": "", "locality": "St. Louis.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}