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": ""}
  WV Rosaceae  United States k)X     Rogers McVaugh   U( RUBUS TRIVIALIS TEXAS 5    rubus U    PC michx.  1461981 1=LS    3 Tn bosque    rosales        Ex Z7 CONTACT UM HERBARIUM  rIX?G 1945-05-23  x trivialis 6967 A  
{"catalogNumber": "1461981", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus trivialis", "scientificNameAuthorship": "Michx.", "genus": "Rubus", "subgenus": "", "specificEpithet": "trivialis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "6967", "verbatimEventDate": "1945-05-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Bosque", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}