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": ""}
   ?  muhlenbergia Poaceae g +z  m. j. oldham &dAM     SYLVATICA r^Vd      4 1418206    8 (Torr.) Torr. ex A. Gray   ih2Is MUHLENBERGIA SYLVA0TICA Canada S      ; POALES   :3SFb 1982-09-05  
{"catalogNumber": "1418206", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia sylvatica", "scientificNameAuthorship": "(Torr.) Torr. ex A. Gray", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "sylvatica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. J. Oldham", "recordNumber": "", "verbatimEventDate": "1982-09-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}