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": ""}
 [some basal leaves 3-veined] z[(     _ (greene) r. j. bayer    O=/cA ANTENNARI4 1950-06-09 Z4`      bGJb 47.372841 asteraceae AAAj    ANTENNARIA HOWELLII SUBSP. CANADENSS r23      2980 5c$G       
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Antennaria howellii subsp. canadensis", "scientificNameAuthorship": "(Greene) R. J. Bayer", "genus": "Antennaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2980", "verbatimEventDate": "1950-06-09", "habitat": "", "occurrenceRemarks": "[some basal leaves 3-veined]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "47.372841", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}