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": ""}
SALTONSTALL, P. M. PETERSON & SORENG     GC POALES  d subsp.  L; 42.270872    s -83.726329 ANN ARBOR  n   PHRAGMITqES =p    marshy places     E^r  australis  phragmites australis subsp. americanus qNMX  Washtenaw Q2-   Qx@LJ americanus  !emL  s.n.       T UNITED STATES Anton A. Reznicek -[ z    =z 1886-08-01 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Phragmites australis subsp. americanus", "scientificNameAuthorship": "Saltonstall, P. M. Peterson & Soreng", "genus": "Phragmites", "subgenus": "", "specificEpithet": "australis", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "americanus", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1886-08-01", "habitat": "Marshy places", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}