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": ""}
BETULACEAE u.=J  s.n. X&#X    L. tR   Betula pumla var. pumila |   6 a.b. lyons, m.d.   hr  pumila 1867 ~^br    1349634 rHWfi    uF<#( Michigan   gJle% 42.270872 Washtenaw ))@      pumila k )B   w, ann arbor   -83.726329 IglC  fagales pn>@    K var.  zK united states
{"catalogNumber": "1349634", "order": "Fagales", "family": "Betulaceae", "scientificName": "Betula pumila var. pumila", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pumila", "identifiedBy": "", "recordedBy": "A.B. Lyons, M.D.", "recordNumber": "s.n.", "verbatimEventDate": "1867", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}