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": ""}
      U 1968-10-31    gvU*J ulam.  Du)8Y UNITED STATES Proserpinaca m.2(b   *ST  saxifragales     223814 7      o mitchell s. alix, robi w. scribailo     p5<H 36721   d.s. correll, helen b. correll, earl & geraldine watson 3PF<   pectinata +6rY 
{"catalogNumber": "1223814", "order": "Saxifragales", "family": "", "scientificName": "", "scientificNameAuthorship": "Lam.", "genus": "Proserpinaca", "subgenus": "", "specificEpithet": "pectinata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mitchell S. Alix, Robin W. Scribailo", "recordedBy": "D.S. Correll, Helen B. Correll, Earl & Geraldine Watson", "recordNumber": "36721", "verbatimEventDate": "1968-10-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}