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": ""}
 ROGERS MCVAUGH & WALTER N. KOELZ P  mexico wZ6  varsey s   1124467 m2!   m0. 1959-11-17           O(. contact um herbarium T.R. Soderstrom h   Poales b-   muhlenbergia grandis uEsC    ro grandis  743 Cb     9 poaceae muhlenbergia m  
{"catalogNumber": "1124467", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia grandis", "scientificNameAuthorship": "Vasey", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "grandis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "T.R. Soderstrom", "recordedBy": "Rogers McVaugh & Walter N. Koelz", "recordNumber": "743", "verbatimEventDate": "1959-11-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}