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": ""}
 "LIGULES WHITE." /          WI ASTERALES near center NE1/4 sec. 25, T17N, R15W, ca. 8 1/2 mi. SW of Walhala.  w,   n=G1 EDWARD G. VOSS    1964-09-12 T4S  symphyotrichum urophyllum  njY     MICHIGAN N  UNITED STATES x     !a4# SYMPHYOTRICHUM  
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Symphyotrichum urophyllum", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1964-09-12", "habitat": "", "occurrenceRemarks": "\"Ligules white.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "near center NE1/4 sec. 25, T17N, R15W, ca. 8 1/2 mi. SW of Walhalla.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}