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": ""}
  v b4 (NEES EX STEUD.) BARKWORTH & ANDERTON  marginatus 5xR     4 var.  CARINATUS T*A      Y-~O Bromus EL GAVILLERO; 12 KM SE OF SAN ANTONIO DE LAS ALAZANAS &j)p  F. Gould & D. Watson KQ7    0 25.239    sL# bromus carinatus var. marginatus    Y] POACEAE   D #; 10522   )#VMT -100.465  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Bromus carinatus var. marginatus", "scientificNameAuthorship": "(Nees ex Steud.) Barkworth & Anderton ", "genus": "Bromus", "subgenus": "", "specificEpithet": "carinatus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "marginatus", "identifiedBy": "", "recordedBy": "F. Gould & D. Watson", "recordNumber": "10522", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "El Gavillero; 12 km SE of San Antonio de las Alazanas", "decimalLatitude": "25.239", "decimalLongitude": "-100.465", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}