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": ""}
CAMPBELLr /7^A     F d 91-794    At Junct|on of Is-75 & Rt. 63. (Exit141) rHD&   ` Low, disturbed area.  1991-08-10 4   1458349 r    juncus acuminatus ,        VERN E. MCNEILUS LgUP       TENNESSEE  acuminatus lV  
{"catalogNumber": "1458349", "order": "", "family": "", "scientificName": "Juncus acuminatus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "acuminatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Vern E. McNeilus", "recordNumber": "91-794", "verbatimEventDate": "1991-08-10", "habitat": "Low, disturbed area.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Tennessee", "county": "Campbell", "municipality": "", "locality": "At Junction of I-75 & Rt. 63. (Exit 141)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}