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": ""}
   K6 United States   +b DIPSACALES      Viburnum /U  L. 68n   3@P&[ cassinoides   Z2<3  671  Viburnum cassinoides O   Barbara J. Madsen i     A cr3ighton marsh, t46n, r16w, ne 1/4 sw 1/4 ne 1/4 sec. 12      
{"catalogNumber": "", "order": "Dipsacales", "family": "", "scientificName": "Viburnum cassinoides", "scientificNameAuthorship": "L.", "genus": "Viburnum", "subgenus": "", "specificEpithet": "cassinoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barbara J. Madsen", "recordNumber": "671", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Creighton Marsh, T46N, R16W, NE 1/4 SW 1/4 NE 1/4 sec. 12", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}