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": ""}
 Robert L. Dressler 8  tamaulipas bYH    gD   contortus       22932 8     V$l2 poales  O4HRL relatively undisturbed remnants of grassland  zU HETEROPOGON   1957-10-08 q0    3N=B (l.) beauv. x roemer & j.a. schultes HETEROPOGON CONTORTUS abg /   MEXICO  pON.   gn ; El SantuarÃ­o; 40 km NNW of Aldama, Sierra de Tamaulipas, Rancho Las Yucas.  
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Heteropogon contortus", "scientificNameAuthorship": "(L.) Beauv. ex Roemer & J.A. Schultes", "genus": "Heteropogon", "subgenus": "", "specificEpithet": "contortus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert L. Dressler", "recordNumber": "2293", "verbatimEventDate": "1957-10-08", "habitat": "Relatively undisturbed remnants of grassland.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Tamaulipas", "county": "", "municipality": "", "locality": "El Santuar\u00c3\u00ado; 40 km NNW of Aldama, Sierra de Tamaulipas, Rancho Las Yucas.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}