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": ""}
1991-10-01 U7  purshiana @&XJ       Poales     !q4! thomas f. wieboldt  Iy  $ (fernald) lye   LK3# schoenoplecti3lla  <&A 1401239 Cyperaceae ;    united states +. D     ;Os prince edward OEN OND MARGIN, CLAYEY SOIL IN SEEPAGE ZONE  0M  x Kza1v 7994   &^#WN Virginia  Ktx4 vicinity of lyle mtn. e of hwy 47 ca. 0.3 km & 2 km. n of madisonvi11e, va.  SCHOENOPLECTIELLA PURSHIANA lt_ 
{"catalogNumber": "1401239", "order": "Poales", "family": "Cyperaceae", "scientificName": "Schoenoplectiella purshiana", "scientificNameAuthorship": "(Fernald) Lye", "genus": "Schoenoplectiella", "subgenus": "", "specificEpithet": "purshiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas F. Wieboldt", "recordNumber": "7994", "verbatimEventDate": "1991-10-01", "habitat": "open ond margin, clayey soil in seepage zone", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Prince Edward", "municipality": "", "locality": "Vicinity of Lyle Mtn. E of Hwy 47 ca. 0.3 km & 2 km. N of Madisonvi11e, Va.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}