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": ""}
  Polygonum _  aviculareq      hard, dry, gravell soil, edge of road & mowed area. s_ a   United States MV!         "Prostrate plant, silvery appe arance caused by scarious sheaths. Abundant."  Aa;n -88.48262 UTH B. (ALFORD) MACFARLANE @M~  1466042 [>u=i     yI4 46.64471  vPJwv Polygonum aiculare  2_SU POLYGONACEA   
{"catalogNumber": "1466042", "order": "", "family": "Polygonaceae", "scientificName": "Polygonum aviculare", "scientificNameAuthorship": "", "genus": "Polygonum", "subgenus": "", "specificEpithet": "aviculare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ruth B. (Alford) MacFarlane", "recordNumber": "", "verbatimEventDate": "", "habitat": "Hard, dry, gravelly soil, edge of road & mowed area.", "occurrenceRemarks": "\"Prostrate plant, silvery appearance caused by scarious sheaths. Abundant.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.64471", "decimalLongitude": "-88.48262", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}