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": ""}
CHARLES D. RICHARDS =O   46.76661 & :   Michigan kc     ASTERALES d?.[  HOWELLII X 93Vn         #D ontonagon     $j8M antennaria   ,BY[k 2868   subsp.  d      Y Antennaria howellii subsp. canadensis 
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Antennaria howellii subsp. canadensis", "scientificNameAuthorship": "", "genus": "Antennaria", "subgenus": "", "specificEpithet": "howellii", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "2868", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Ontonagon", "municipality": "", "locality": "", "decimalLatitude": "46.76661", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}