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": ""}
 17916 l        Vt#W  CONTACT UM HERBARIUM 6 U8 poales Ixophorus unisetus u     rogers mcvaugh 4|Q$5     V,PA IXOPHORUS    ~? poaceae  1122809 A3  (J. Presl) Schltdl. E    vB UNISETUS  1958-09-16 6^  mexico     *A T.R. SODERSTROM
{"catalogNumber": "1122809", "order": "Poales", "family": "Poaceae", "scientificName": "Ixophorus unisetus", "scientificNameAuthorship": "(J. Presl) Schltdl.", "genus": "Ixophorus", "subgenus": "", "specificEpithet": "unisetus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "T.R. Soderstrom", "recordedBy": "Rogers McVaugh", "recordNumber": "17916", "verbatimEventDate": "1958-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}