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": ""}
    CENTER OF SEC. 7, MAPLE GROVE TP. (CA. 12 MI. E. OF WOLVERINE) .               8v UROPHYLLUM   45.263657 zYz    k4]  "Ligules white." [a later letter from LHS suggests merely atypical sagittifolius]  Symphyotrichum urophyllum |X +   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Symphyotrichum urophyllum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "urophyllum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Ligules white.\" [a later letter from LHS suggests merely atypical sagittifolius]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "center of Sec. 7, Maple Grove Tp. (ca. 12 mi. E. of Wolverine)", "decimalLatitude": "45.263657", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}