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": ""}
MEXICO o    /7 Jerzy Rzedowski      A.LY rigida 1954-09-05 VS7 H    G. CALDERÃ³N DE RZEDOWSKI j     +6a7r poales    =b Contact UMC Herbarium   muhlenbergia rigida +1R*     1124975 Ix6    
{"catalogNumber": "1124975", "order": "Poales", "family": "", "scientificName": "Muhlenbergia rigida", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "rigida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "G. Calder\u00c3\u00b3n de Rzedowski", "recordedBy": "Jerzy Rzedowski", "recordNumber": "", "verbatimEventDate": "1954-09-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}