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": ""}
 united states 4:   J3 LOCAL, CALCAREOUS W BANK OF ESCANABA RIVER        L. DELTA   45.90941 ^  Michigan C   ua "LIGULES PALE PINK|SH."  cw|uE (ROUSS.) L. BROUILLET & LABRECQUE  @M!Z EDWARD G. VOSS  9 P SYMPH#YOTRICHUM    w=% ASTERALES   1251251 C  15543 |E  N OF BRIDGE CA. 1 MI. NE OF CORNELL (CA. 10 MI. SW OF G1ADSTONE). q`C|  robynsianum  z[ 
{"catalogNumber": "1251251", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "(Rouss.) L. Brouillet & Labrecque", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "robynsianum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "15543", "verbatimEventDate": "", "habitat": "local, calcareous W bank of Escanaba River", "occurrenceRemarks": "\"Ligules pale pinkish.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "N of bridge ca. 1 mi. NE of Cornell (ca. 10 mi. SW of Gladstone).", "decimalLatitude": "45.90941", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}