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": ""}
  j poaceae    2142 6    HJ Muhlenbergia sylvatica   s5 vicinity of ponca, about 30 miles southwest of harrison  sylvatica . v    `A Newton  R!. E. Perdue  VbA6      1418214 Z:    Arkansas _gD x  (Torr.) Torr. ex A. Gray a  1955-09-16 r< ^   United States F:y   8=w^^ Poales
{"catalogNumber": "1418214", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia sylvatica", "scientificNameAuthorship": "(Torr.) Torr. ex A. Gray", "genus": "", "subgenus": "", "specificEpithet": "sylvatica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. E. Perdue", "recordNumber": "2142", "verbatimEventDate": "1955-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Newton", "municipality": "", "locality": "vicinity of Ponca, about 30 miles southwest of Harrison", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}