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": ""}
  2819b  c    1989-05-31 U   ? salix 1323955 /  "shrub 2_ m. high (trunk bark = gray-green)" "2819a 2819b = same plant" [one sheet each number] ` 6   AULPENA TWP. 200 M. W. OF ALP. CO. RD. COMM. BUILDINGS ON BAGLEY ST. ON W. SIDE OF ALPENA.  H      H petiolaris  alpena c]i`   from wet calcarious meadow. /         SALIX PETIOSLARIS d-*#  MICHIGAN n,c    $02 sm. 
{"catalogNumber": "1323955", "order": "", "family": "", "scientificName": "Salix petiolaris", "scientificNameAuthorship": "Sm.", "genus": "Salix", "subgenus": "", "specificEpithet": "petiolaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2819b", "verbatimEventDate": "1989-05-31", "habitat": "From wet calcarious meadow.", "occurrenceRemarks": "\"Shrub 2_ m. high (trunk bark = gray-green)\" \"2819a 2819b = same plant\" [one sheet each number]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Alpena", "municipality": "", "locality": "Alpena Twp. 200 m. W. of Alp. Co. Rd. Comm. Buildings on Bagley St. on W. side of Alpena.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}