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": ""}
   mDa Rubus Rosales f9 q    4G M trivialis  $yvP rubus trivialis       D Q(@ rosaceae  ?_/ Contact UM Herbarium  @ke  m. p. widrlechner  R0Az  a. b. langlois   ]  ST. MARTIN  iEx 1461972  > Michx.   d LOUISIANA united states # :`;   #,y[% 1892-03-13 2992 5@Sw   
{"catalogNumber": "1461972", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus trivialis", "scientificNameAuthorship": "Michx.", "genus": "Rubus", "subgenus": "", "specificEpithet": "trivialis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "A. B. Langlois", "recordNumber": "2992", "verbatimEventDate": "1892-03-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Louisiana", "county": "St. Martin", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}