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": ""}
  fa HOUGHTON  Fallopia 3;+;    FALLOPIA CONVOLVULUS yUH(        michigan V;   / convolvulus Linden Lake eR]   @o United States    u  SANG-TAE KIM & CHONG-WOOK PARK      t= Oliver A. Farwell  1z I: Polygonaceae   waste grounds, on sand P~ 
{"catalogNumber": "", "order": "", "family": "Polygonaceae", "scientificName": "Fallopia convolvulus", "scientificNameAuthorship": "", "genus": "Fallopia", "subgenus": "", "specificEpithet": "convolvulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Sang-Tae Kim & Chong-Wook Park", "recordedBy": "Oliver A. Farwell", "recordNumber": "", "verbatimEventDate": "", "habitat": "waste grounds, on sand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Linden Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}