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": ""}
 ZK united states        charles a. davis      -Y8u PERSICARIA HYDROPIPER  k (w, Polygonaceae  +YJ@d Caryophyllales  tei michigan  &lTA (l.) spach  h 45.745247  d, A. DACHNOWSKI   in moist ground and near wet places.  N1   ) UL Persicaria     gc 1906-08-20 S.N. AKr   g 1466159
{"catalogNumber": "1466159", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria hydropiper", "scientificNameAuthorship": "(L.) Spach", "genus": "Persicaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Charles A. Davis", "recordedBy": "A. Dachnowski", "recordNumber": "s.n.", "verbatimEventDate": "1906-08-20", "habitat": "In moist ground and near wet places.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.745247", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}