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": ""}
 li UNITE STATES  NPg polygonum  (small) costea & tardif eg  buxiforme u^]$s     ]l<*. FRANK T. MAFARLAND  O sjX CONTACT UM HERBARIUM     2zdp 52-A  z1 CARYOPHYLLALES  subsp. ~  POLYGONUM AVICULARE SUBSP. BUXIFORME Elx_    aviculare xY   Polygonaceae X8C A    %U 1439769 Kentucky 4 /^   Fayette L< 
{"catalogNumber": "1439769", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum aviculare subsp. buxiforme", "scientificNameAuthorship": "(Small) Costea & Tardif", "genus": "Polygonum", "subgenus": "", "specificEpithet": "aviculare", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "buxiforme", "identifiedBy": "", "recordedBy": "Frank T. MacFarland", "recordNumber": "52-A", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Fayette", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}