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": ""}
Polygonaceae %H@F      comtact um herbarium QrC         x ` PERSICARIA    h@AgX CYRUS L. LUNDELL & S. W. GEISER     `M[  1439534  sagittata w|1zV     kSaM 11916 (L.) H. Gross -x>z%  texas ; 
{"catalogNumber": "1439534", "order": "", "family": "Polygonaceae", "scientificName": "", "scientificNameAuthorship": "(L.) H. Gross", "genus": "Persicaria", "subgenus": "", "specificEpithet": "sagittata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cyrus L. Lundell & S. W. Geiser", "recordNumber": "11916", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}