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": ""}
 K ANTENNARIA HOWELLII SUBSP. CANADENSIS united states InX    b michigan  howellii ]((       )/  1950-06-09 47.372841 HZ    RR  1249853     Mv/ GRASSY HILLSIDE  Ck^ -88.313057 asteraceae Yu  antennaria  -   H 8 subsp.  Ckb V At Cliff Mine.  canadensis ?4~  Keweenaw     wY# 2980  ;=@R charles d. richards
{"catalogNumber": "1249853", "order": "", "family": "Asteraceae", "scientificName": "Antennaria howellii subsp. canadensis", "scientificNameAuthorship": "", "genus": "Antennaria", "subgenus": "", "specificEpithet": "howellii", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "canadensis", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "2980", "verbatimEventDate": "1950-06-09", "habitat": "Grassy hillside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "At Cliff Mine.", "decimalLatitude": "47.372841", "decimalLongitude": "-88.313057", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}