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": ""}
   T  ^ George W. Letterman  `~Yw 1876-08 muhlenbergia sobolifera Z/^F     o~ poaceae  Nc 152  1418186 =qF  SOBOLIFERA go     [ 0 ALLENTON    MISSOURI 9+    ,t (muhl. ex willd.) trin.  1p$2 5t. louis s.n. NB2    uM - muhlenbergia  UNITED STATES >&r`  
{"catalogNumber": "1418186", "order": "", "family": "Poaceae", "scientificName": "Muhlenbergia sobolifera", "scientificNameAuthorship": "(Muhl. ex Willd.) Trin.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "sobolifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George W. Letterman", "recordNumber": "s.n.", "verbatimEventDate": "1876-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "St. Louis", "municipality": "", "locality": "Allenton", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "152", "maximumElevationInMeters": ""}