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": ""}
28.8052 hXa[:    VJgA  Poaceae   AGROPYRON PIAUCIFLORUM 7O   111648 DJ$T  chihuahua -E.]     (schwein.) a.s. hitchc. U        RD$PN pauciflorum     LEROY H. HARVEY      
{"catalogNumber": "1116408", "order": "", "family": "Poaceae", "scientificName": "Agropyron pauciflorum", "scientificNameAuthorship": "(Schwein.) A.S. Hitchc.", "genus": "", "subgenus": "", "specificEpithet": "pauciflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Chihuahua", "county": "", "municipality": "", "locality": "", "decimalLatitude": "28.8052", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}