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": ""}
 @@b BISTORTA BISTORTOIDES  california 7h      CONTACT UM HERBARIUM l,+  Bistorta E   3O Z (pursh) small 1438405 GK    *Aw Polygonaceae K. Hindes C3`E     United States P-ceq   CARYOPHYLLALES M    $m NEV ADA    7 224   bistort)oides J 
{"catalogNumber": "1438405", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Bistorta bistortoides", "scientificNameAuthorship": "(Pursh) Small", "genus": "Bistorta", "subgenus": "", "specificEpithet": "bistortoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "K. Hindes", "recordNumber": "224", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Nevada", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}