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": ""}
 ywry! Muhlenbergia frondosa   michigan bx     HM 1918-09-10 washtenaw f@r+6      42.290302 L7   u^~*y (Poir.) Fernald  B 1239031  n=e9 Frieda Cobb  frondosa S    <_WX s.n.  muhlenbergia D7   United States +ec   2x[Ce near island park, huron river, ann arbor  Y?`M -83.72938 Poales 8,x  edward g. voss 8#M    mt&01 POACEAE
{"catalogNumber": "1239031", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia frondosa", "scientificNameAuthorship": "(Poir.) Fernald", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "frondosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Frieda Cobb", "recordNumber": "s.n.", "verbatimEventDate": "1918-09-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Near Island Park, Huron River, Ann Arbor", "decimalLatitude": "42.290302", "decimalLongitude": "-83.72938", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}