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": ""}
UNITED STATES wrB9Q   AMBIGUUS e*7:   nQ0?W poales      (MICHX.) BRITTON, STERNS & POGGENB. G>=bO  Gymnopogon ambiguus #o+<       Jto  polk   JANES B. MCFARLIN M)Y`   .0M#H  POACEAE   q; CONTACT UM HERBARIUM    2931 3k  
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Gymnopogon ambiguus", "scientificNameAuthorship": "(Michx.) Britton, Sterns & Poggenb.", "genus": "", "subgenus": "", "specificEpithet": "ambiguus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James B. McFarlin", "recordNumber": "2931", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Polk", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}