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": ""}
    STILLINGIA #V   sec. 17, t18n, r23w ehB5  WEST OF ARK. 237 AND NORTH OF M4CEDONIA BAPTIST CHURCH AT BOB CRONNISTER'S HOMESITE TEN MILES SOUTH OF TEXARKANA -a!   R. DALE THOMAS, E. SUNDLL, C. AMASON ,              S Sandy soil  #u% stillingia sylvatica    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Stillingia sylvatica", "scientificNameAuthorship": "", "genus": "Stillingia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Dale Thomas, E. Sundell, C. Amason", "recordNumber": "", "verbatimEventDate": "", "habitat": "Sandy soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "west of Ark. 237 and north of Macedonia Baptist Church at Bob Cronnister's homesite ten miles south of Texarkana", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "Sec. 17, T18N, R23W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}