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": ""}
    & PHRAGMITES AUoSTRALIS  y bottom of cimarron river, s. of waynoka WOODS W?    poaceae r(v    U8DO_ 1420587  Oklahoma CK        U. T. WATERFALLd CP    PHRAG MITES Qz    (CAV.) TRIN. EX STEUD.  =61k    ? 1951-10-06  m AUSTRALIS
{"catalogNumber": "1420587", "order": "", "family": "Poaceae", "scientificName": "Phragmites australis", "scientificNameAuthorship": "(Cav.) Trin. ex Steud.", "genus": "Phragmites", "subgenus": "", "specificEpithet": "australis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "U. T. Waterfall", "recordNumber": "", "verbatimEventDate": "1951-10-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oklahoma", "county": "Woods", "municipality": "", "locality": "Bottom of Cimarron River, S. of Waynoka", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}