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 MEXICANA  MUHLENBERGIA LR W  Edward G. Voss RpxDx      ~ (L.) Trin.  x=SY POALES  #zpYB 1239181    michigan sR   l  2388  1987-08-18 v]   mexicana 3  Poaceae _      ndJs don henson  :Pqo- Growing in semi-open oa-bluebeech-witch hazel woods. 
{"catalogNumber": "1239181", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia mexicana", "scientificNameAuthorship": "(L.) Trin.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "mexicana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Don Henson", "recordNumber": "2388", "verbatimEventDate": "1987-08-18", "habitat": "Growing in semi-open oak-bluebeech-witch hazel woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}