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": ""}
Triadenum virginicum PR U  united states +)  MICHIGAN @j*     > -86.073006 Anton A. Reznicek k     H Peaty to mucky floating mat filling most of the basin of a small unnamed pond.  ? 6 ^ 8354  oNh, triadenum  U 42.107761  Van Buren dj    1350172 o/^_        ?6 "Frequent, flowers salmon pink."   virginicum Q  
{"catalogNumber": "1350172", "order": "", "family": "", "scientificName": "Triadenum virginicum", "scientificNameAuthorship": "", "genus": "Triadenum", "subgenus": "", "specificEpithet": "virginicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "8354", "verbatimEventDate": "", "habitat": "Peaty to mucky floating mat filling most of the basin of a small unnamed pond.", "occurrenceRemarks": "\"Frequent, flowers salmon pink.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "", "decimalLatitude": "42.107761", "decimalLongitude": "-86.073006", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}