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": ""}
 X?;] 1898-06    L. >k3  1461504 z       illegible ;#_    e rosales  Rubus E4   =I= united states   y D2$ hispidus  !sh Rubus hispidus   l CONTACT UM HERBARIUM  yce m. p. widrlechner     
{"catalogNumber": "1461504", "order": "Rosales", "family": "", "scientificName": "Rubus hispidus", "scientificNameAuthorship": "L.", "genus": "Rubus", "subgenus": "", "specificEpithet": "hispidus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "illegible", "recordNumber": "", "verbatimEventDate": "1898-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}