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": ""}
  uV 2 symphyotrichum pilosum var. pilosum  leelanau IR846     rare. heads 1.5-2 cm wide; petals white; sup-shaped involucre; phyllaries equal length and slightly recurved at tip; lvs clasping not auriculate; stem pubsc. w       1B(O ANTON A. REZNCEK       Asteraceae V           
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum pilosum var. pilosum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Rare. Heads 1.5-2 cm wide; petals white; sup-shaped involucre; phyllaries equal length and slightly recurved at tip; lvs clasping not auriculate; stem pubsc.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Leelanau", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}