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": ""}
   HETERANTHERA v_V   S.N. :    : POTTAWATOMIE   +_KC[ 1888-08-12        * commeinales   KANSAS ;<oC     a. w. kimball   X Pontederiaceae  heteranSthera reniformis ;@>   kn]! united states st. george c#I  
{"catalogNumber": "", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera reniformis", "scientificNameAuthorship": "", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. W. Kimball", "recordNumber": "s.n.", "verbatimEventDate": "1888-08-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kansas", "county": "Pottawatomie", "municipality": "", "locality": "St. George", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}