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": ""}
   b TONSA   carex 8#    ! 1996-05-20   UNITED STATES Ew5   1^m[ VAR. CONTACT UM HERBARIUM 0   t cyperaceae   G 27290      Nn; poales  Loy R. Phillippe t)u    aM;D CAREX TONSA VAR. TONSA  tonsa ]+ o/  
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex tonsa var. tonsa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "tonsa", "verbatimTaxonRank": "var.", "infraspecificEpithet": "tonsa", "identifiedBy": "", "recordedBy": "Loy R. Phillippe", "recordNumber": "27290", "verbatimEventDate": "1996-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}