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": ""}
 1461759 / a:     M896 RUBUS PARVIFLORUS   ViO 1950-06-27 parviflorus (1f    Y ,#M M. P. WIDRLECHNER   x  contact um herbarium  $ Rubus   @2 UNITED  STATES  WISCONSIN  G  nutt.   *~   A, 3401 ROSCEAE +  C. D. RICHARDS !       ASHLAND Vn   
{"catalogNumber": "1461759", "order": "", "family": "Rosaceae", "scientificName": "Rubus parviflorus", "scientificNameAuthorship": "Nutt.", "genus": "Rubus", "subgenus": "", "specificEpithet": "parviflorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "C. D. Richards", "recordNumber": "3401", "verbatimEventDate": "1950-06-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Ashland", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}