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": ""}
 S Lois S. Ehlers   FG.o 2591  Z[wd UNITED STATES     CANESCENS QI   I[fV7 1441879  m/m 1922-07-28 cirsium canescens  6:%5      N `m A5TER4LES 540 6    TELLER E    S CIRSIUM ASTERACEAE W;sB      k2t colorado 
{"catalogNumber": "1441879", "order": "Asterales", "family": "Asteraceae", "scientificName": "Cirsium canescens", "scientificNameAuthorship": "", "genus": "Cirsium", "subgenus": "", "specificEpithet": "canescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lois S. Ehlers", "recordNumber": "540", "verbatimEventDate": "1922-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Teller", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2591", "maximumElevationInMeters": ""}