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": ""}
     &xK* arkansas valley. arkansas valley plains ecoregion. apprx. 2 mi n of mayflower. w side of hwy 365. n of paradise rd  1PGf (a. gray) a. gray ex britton 2004-04-30 _>M   KiaiS 1557798  5  faulkner wolfii g::!k  ELEOCHARIS WOLFII ggu     XsW United States  K 1^B23 YPERACEAE   ELEOCHARIS sa   >, Arkansas   >Z 04-0191   ;  f* POALES   $3SJ THEO WITSELL  n 354.98590, w 92.41900 ).o_ 
{"catalogNumber": "1557798", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis wolfii", "scientificNameAuthorship": "(A. Gray) A. Gray ex Britton", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "wolfii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Theo Witsell", "recordNumber": "04-0191", "verbatimEventDate": "2004-04-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Faulkner", "municipality": "", "locality": "Arkansas valley. Arkansas Valley Plains Ecoregion. Apprx. 2 mi N of Mayflower. W side of Hwy 365. N of Paradise rd", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "N 34.98590, W 92.41900", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}