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": ""}
 Xtr NEAR EDGE OF 1ST SISTER LAKE. Carl O. Grassl ! x@N    5 1937-10-08    Persicaria *   MICHIGAN Y%       Caryophyllales F/!  (L.) H. Gross W t|  -83.78333 :   e; UNITED STATES  MHC persicaria sagittata       L|kVU polygonaceae  WASHTEAW `sU  7883 Q&y Q 
{"catalogNumber": "", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria sagittata", "scientificNameAuthorship": "(L.) H. Gross", "genus": "Persicaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "7883", "verbatimEventDate": "1937-10-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Near edge of 1st Sister Lake.", "decimalLatitude": "", "decimalLongitude": "-83.78333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}