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": ""}
Tackson em   poaceae mxK U    ROS7 1298 hinds or raymond eb   d`Vw5 A. S. Hitchcock    ? 1906-0-28      (Desv. ex Poir.) Gould & C. A.Clark s   z MississEippi  dighanthelium CT    1428720 _    x4o? DICHANTHELIUM ACICULARE    
{"catalogNumber": "1428720", "order": "", "family": "Poaceae", "scientificName": "Dichanthelium aciculare", "scientificNameAuthorship": "(Desv. ex Poir.) Gould & C. A.Clark", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. S. Hitchcock", "recordNumber": "1298", "verbatimEventDate": "1906-04-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Mississippi", "county": "Hinds or Raymond", "municipality": "", "locality": "Jackson", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}