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": ""}
   @+Gk salix SWAMP NORTH OF BARAGA.   +J    G9 UNITED STATES  PETIOLARIS Im   OQJ Salicaceae Sm.  P5!  charles d. richards u  Baraga _N>       1949-05-21   salix petiolaris 9    "shrub 7 ft. tall." [yng. pubesc. lfs; pist. fls. - crb]b >M       ? 1649  ,! 1319139
{"catalogNumber": "1319139", "order": "", "family": "Salicaceae", "scientificName": "Salix petiolaris", "scientificNameAuthorship": "Sm.", "genus": "Salix", "subgenus": "", "specificEpithet": "petiolaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "1649", "verbatimEventDate": "1949-05-21", "habitat": "", "occurrenceRemarks": "\"Shrub 7 ft. tall.\" [Yng. Pubesc. Lfs; pist. Fls. - CRB]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Baraga", "municipality": "", "locality": "Swamp north of Baraga.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}