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": ""}
 JA Spigelia (l.) l. +4i   adYV 1515978  s.n. D.&  united states @      U!& loganiaceae 1846 p  marilandica  ^   georgia U       [ spigelia marilandica  [QR thomas c. porter   monticello 4X8  gentianales G)Ze %        k Jasper
{"catalogNumber": "1515978", "order": "Gentianales", "family": "Loganiaceae", "scientificName": "Spigelia marilandica", "scientificNameAuthorship": "(L.) L.", "genus": "Spigelia", "subgenus": "", "specificEpithet": "marilandica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas C. Porter", "recordNumber": "s.n.", "verbatimEventDate": "1846", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "Jasper", "municipality": "", "locality": "Monticello", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}