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": ""}
   R var.   Nj JERZY RZEDOWSKI  J&b PLAN DE LA CANALEJ_A; 15 KM AL NE DE AGUASCALIENTES SOBRE LA CARRETERA A LORETO  Co POACEAE       DPoC Aguascalientes  Jgby 25096      w BHk CATHESTECUM cathestecum brevifolium Zvar. brevifolium %Gvt        
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Cathestecum brevifolium var. brevifolium", "scientificNameAuthorship": "", "genus": "Cathestecum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jerzy Rzedowski", "recordNumber": "25096", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Aguascalientes", "county": "", "municipality": "", "locality": "Plan de la Canaleja; 15 km al NE de Aguascalientes sobre la carretera a Loreto", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}