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": ""}
 Wisconsin P    [op norman c. fassett  Iu United States  u CV scirpus Qatrovirens Boales -  cyperaceae o/Ki    4338 M_Stg    -sr la crosse la crosse river floodplain j2]ak     scirpus2&1z    1927-08Z-21 NhR|;  willd. X      Xw atrovirens  
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus atrovirens", "scientificNameAuthorship": "Willd.", "genus": "Scirpus", "subgenus": "", "specificEpithet": "atrovirens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Norman C. Fassett", "recordNumber": "4338", "verbatimEventDate": "1927-08-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "La Crosse", "municipality": "", "locality": "La Crosse River floodplain", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}