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": ""}
 .g marsh.   asparagales  ME4  [Specimen in bound Nathan J. Stone Herbarium, no. 31] e1   IRIDACEAE C6    8 virginica  s.n. W      bT&u 1893-06-10  ` east albion one mile.  4+GJ Iris  DHL iris virginica          eJ calhoun 
{"catalogNumber": "", "order": "Asparagales", "family": "Iridaceae", "scientificName": "Iris virginica", "scientificNameAuthorship": "", "genus": "Iris", "subgenus": "", "specificEpithet": "virginica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1893-06-10", "habitat": "Marsh.", "occurrenceRemarks": "[Specimen in bound Nathan J. Stone Herbarium, no. 31]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Calhoun", "municipality": "", "locality": "East Albion one mile.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}