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": ""}
  7 aristida POALES TR  SAND FLATS )a   (/ SAMUEL C. WADMOND    o aristida tuberculosa 372 W   ] united state  ^4[w nutt. 1406063 %h   dm ] 1935-09-19 WISCONSIN mNmex     poaceae p     QL+ IOWA      TUBERCULOSA vq|   wisconsin river, just n of village of arena ]!|;5 
{"catalogNumber": "1406063", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida tuberculosa", "scientificNameAuthorship": "Nutt.", "genus": "Aristida", "subgenus": "", "specificEpithet": "tuberculosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Samuel C. Wadmond", "recordNumber": "372", "verbatimEventDate": "1935-09-19", "habitat": "Sand flats", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Iowa", "municipality": "", "locality": "Wisconsin River, just N of village of Arena", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}