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": ""}
  RD`Y Ernest R. Sons     y muhlenbergia tenuifolia    s LP POALES  (kunth) trin. t     $ muhlenberga    )6Xh P.M. Beterson      MEXICO  1952-10-29     XH>   Contact UM Herbarium    lo TENUIFOLIA 476 <8G0 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Muhlenbergia tenuifolia", "scientificNameAuthorship": "(Kunth) Trin.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "tenuifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P.M. Peterson", "recordedBy": "Ernest R. Sohns", "recordNumber": "476", "verbatimEventDate": "1952-10-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}