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": ""}
  Contact UM Herba5rium -  orrick b. metcalfe J&~     1904-09-13 MB  poales Nx        fj< SIERRA     %  MUHLENBERGIA ASPERIFOLIA   ASPERIFOLIA ?X(H   Muhlenbergia TL6~B     >4 1417472
{"catalogNumber": "1417472", "order": "Poales", "family": "", "scientificName": "Muhlenbergia asperifolia", "scientificNameAuthorship": "", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "asperifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Orrick B. Metcalfe", "recordNumber": "", "verbatimEventDate": "1904-09-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Sierra", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}