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": ""}
  R6 texas   t; 1921-07-20   e+!/# secundiflora    E*7?: POALES    benjamin c. tharp w    39jL 1413780 J. PRESL @unT   `~=` eragrostis    z1v poaceaoe   UNITED STATES S  110 B    P /cf ERAGROSTIS SECUNDIFLORA Contact UM Herbarium 97/  
{"catalogNumber": "1413780", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis secundiflora", "scientificNameAuthorship": "J. Presl", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "secundiflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Benjamin C. Tharp", "recordNumber": "110", "verbatimEventDate": "1921-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}