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": ""}
TEXAS B1*     carex tetrastachya lZ    #M t s.n.   colorado r at mt bonnell. f     2mjp POALES   CAREX ?%t   1936-05-05 l  r. austin p_  SCHEELE      tetrastachya d   ._:N0 united states  8 o cyperaceae  Q 1389472 
{"catalogNumber": "1389472", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex tetrastachya", "scientificNameAuthorship": "Scheele", "genus": "Carex", "subgenus": "", "specificEpithet": "tetrastachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Austin", "recordNumber": "s.n.", "verbatimEventDate": "1936-05-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Colorado R at Mt Bonnell.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}