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": ""}
   shrevei De  1340217 G3m2V    VIRGIICA g   k74p Iridaceae     united states .EA         6%a barrier beach, muck soil.    <Z (small) es. anderson  gzU 1949-06-06  N1+ VAR.  Iris virginica var. shrevei s  
{"catalogNumber": "1340217", "order": "", "family": "Iridaceae", "scientificName": "Iris virginica var. shrevei", "scientificNameAuthorship": "(Small) E.S. Anderson", "genus": "", "subgenus": "", "specificEpithet": "virginica", "verbatimTaxonRank": "var.", "infraspecificEpithet": "shrevei", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1949-06-06", "habitat": "Barrier beach, muck soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}