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": ""}
    U] robustum POALES ` ;kU   -110.316667 Td6 F      M 31.441667  @ lYa Achnatherum robustum    ? united states       q,a Grassy openings on steep slope  B f. w. gould 4409 V?m -  1403175 WfHQS   N> AIZONA  M. Barkworth uM 
{"catalogNumber": "1403175", "order": "Poales", "family": "", "scientificName": "Achnatherum robustum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "robustum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. Barkworth", "recordedBy": "F. W. Gould", "recordNumber": "4409", "verbatimEventDate": "", "habitat": "Grassy openings on steep slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "", "municipality": "", "locality": "", "decimalLatitude": "31.441667", "decimalLongitude": "-110.316667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}