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": ""}
    CANADA [;      ischaemum     Z:^i DIGITARIA          frendale dr. arrie(lot 24. conc. vi, vespra twp.) WP  anton a. reznicek ZCV      & poaceae   1970-09-09 s  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Digitaria", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "1970-09-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "Frendale Dr. Barrie (Lot 24. Conc. VI, Vespra Twp.)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}