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": ""}
 beverly s. walters v,     POALES EWU   $1 st. johns, signal hill by start of trail to cuckolds head.   3) cyperaceae |1996-06-30 txA q  Canada >=    W GLP CAREX NIGRA  Carex ag[  511 ])   mN8 9NIGRA  pZT 1380322  (L.) REICHARD 7@   Newfoundland and Labrador  $      
{"catalogNumber": "1380322", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nigra", "scientificNameAuthorship": "(L.) Reichard", "genus": "Carex", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Beverly S. Walters", "recordNumber": "511", "verbatimEventDate": "1996-06-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Newfoundland and Labrador", "county": "", "municipality": "", "locality": "St. Johns, Signal Hill by start of trail to Cuckolds Head.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}