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": ""}
 e~^ var.  (a. gray) g. l. nesom Hm*)    &; ASTERACEAE on wet s4ndy shores Nof Lake Huron; abundant. +eXQ       Ca. 1.5 miles north of Blck River,   ASTERALES URE    pringlei  /<<   SYMPHYOTRCHUM B.    1251591 0SZO%   R% michligan    d`fZr 1951-08-12 united states LzF    u 44.8378  tZVi* symphyotrichum pilosum var. ringlei   ur rogers mcvaugh
{"catalogNumber": "1251591", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum pilosum var. pringlei", "scientificNameAuthorship": "(A. Gray) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pringlei", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "", "verbatimEventDate": "1951-08-12", "habitat": "on wet sandy shores of Lake Huron; abundant.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Ca. 1.5 miles north of Black River,", "decimalLatitude": "44.8378", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}