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 poaceae Qa    1128986 1cKL    ;56] 1883-02   vN Poales          TaB CONTAC UM HERBARIUM 344 7J Ga   PY<G steud.  -5y FORTIN    tristachyum L   Pennisetum tristachyum %g P;  
{"catalogNumber": "1128986", "order": "Poales", "family": "Poaceae", "scientificName": "Pennisetum tristachyum", "scientificNameAuthorship": "Steud.", "genus": "", "subgenus": "", "specificEpithet": "tristachyum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fortin", "recordNumber": "344", "verbatimEventDate": "1883-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}