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": ""}
   Er 1970-07-22 Poaceae aq   LE~ 1125296   N1  j hitchc. var. B p1n   M |6l VILLIFLORA  villiflora gRw H    I% leroy h. harvey     muhlenbergia mexico Q9b   s r) Muhlenbergia viliflora var. villiflora    poales Q?NG   il contact um herbarium    :5G*u 8505  
{"catalogNumber": "1125296", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia villiflora var. villiflora", "scientificNameAuthorship": "Hitchc.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "villiflora", "verbatimTaxonRank": "var.", "infraspecificEpithet": "villiflora", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "8505", "verbatimEventDate": "1970-07-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}