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": ""}
   V`:@ CANADENSIS     howell|i $5B     -85.09804 C6v;  EMMET !^G S    45.50033 l      vZ Kz 1954-07-19     ca. 3/4 of way down to lake michigan, ca. 4 mi. s of good hart (sec. 24, t36n, r7w, friendship tp.). t   asteraceae 6U,3  
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "howellii", "verbatimTaxonRank": "", "infraspecificEpithet": "canadensis", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1954-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Emmet", "municipality": "", "locality": "ca. 3/4 of way down to Lake Michigan, ca. 4 mi. S of Good Hart (sec. 24, T36N, R7W, Friendship Tp.).", "decimalLatitude": "45.50033", "decimalLongitude": "-85.09804", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}