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": ""}
symphyotrichum pilosum var. pringlei ^   Ly+ -84.22448 MACKINAC u   SHORE OF PRENTIS BAY, * 5P   n q6? john h. ehlers   |z  $ VAR.  Es a symphyotrichum   4 279 asteraceae 3*X  Shore of Prentis Bay gtK~      M  pringlei   kB united states 1916-09-10 P8    3m7t 125609     ~gB  michigan 
{"catalogNumber": "1251609", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum pilosum var. pringlei", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pringlei", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "279", "verbatimEventDate": "1916-09-10", "habitat": "Shore of Prentis Bay,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Shore of Prentis Bay", "decimalLatitude": "", "decimalLongitude": "-84.22448", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}