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": ""}
 fkb, Contact UM Herbarium   Bistorta A     LASSEN  f:[         >z?_n california 1438391 _q  United States W/a2C  309 3  polygonaceae (     IoU 2 (pursh) small  bistorta bistortoides gm:o  CARYOPHYLLALS  c   bistortoides y   F. V. Brunett K 
{"catalogNumber": "1438391", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Bistorta bistortoides", "scientificNameAuthorship": "(Pursh) Small", "genus": "Bistorta", "subgenus": "", "specificEpithet": "bistortoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. V. Brunett", "recordNumber": "309", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Lassen", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}