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": ""}
 betulaceae        KL  canada   +v 6435 george b. rossbach _7w2O    06j (Aiton) Turrill     VIRIDIS <  ALNUS VIRIDIS SUBSP. CRISPA E B     $ 1k965-07-02  fy ~ subsp.    Az ALNUS     
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Alnus viridis subsp. crispa", "scientificNameAuthorship": "(Aiton) Turrill", "genus": "Alnus", "subgenus": "", "specificEpithet": "viridis", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George B. Rossbach", "recordNumber": "6435", "verbatimEventDate": "1965-07-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}