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": ""}
 - m. p. widrlechner   1461840 Tpo-<   MY>o montgomery      Rosales V,MM   Vtt(n united states   )W ROSACEAE    g 1921-05-30   4  MAXIM.  PHOENICOLASIUS 0Sl3T      [5n Pennsylvania  
{"catalogNumber": "1461840", "order": "Rosales", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "Maxim.", "genus": "", "subgenus": "", "specificEpithet": "phoenicolasius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1921-05-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Montgomery", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}