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": ""}
   K  UNITED STATES contact um herbarium SYu   ! 1950-09-24  2 flavus  9 30027  arkansas 4V   tridens f)lavus Oze     ^X marion  BhlH POALES         POACEAE &X_   tridens |~  delzie demaree 3xR!3  1425399 Qp  (l.) hitchc. (lC  
{"catalogNumber": "1425399", "order": "Poales", "family": "Poaceae", "scientificName": "Tridens flavus", "scientificNameAuthorship": "(L.) Hitchc.", "genus": "Tridens", "subgenus": "", "specificEpithet": "flavus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Delzie Demaree", "recordNumber": "30027", "verbatimEventDate": "1950-09-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Marion", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}