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 D4^    <C   houstoniax longifolia   ontario 5 B      =vT rubiaceae   V1 + GAERTN.    w-[ U ANTON A. REZNICEK gentianales NCI7T   Ue  3U350  SIMCOE H  Houstonia |R S4    1312276 6sp  Contact UM Herbarium ?HU 4  19<68-06-02 *I    Q+ LONGIFOLIA
{"catalogNumber": "1312276", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Houstonia longifolia", "scientificNameAuthorship": "Gaertn.", "genus": "Houstonia", "subgenus": "", "specificEpithet": "longifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "3350", "verbatimEventDate": "1968-06-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}