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": ""}
 r GRPM 45515 jacquemontia Kw<8  @S tamnifolia Biloxi Sd a      1 GNS 1521812   S S.N.  7ERN S.M. Tracy    harrison e     griseb. r+lP  solanales x    Q MISSISSIPPI  +_ Convolvulaceae    
{"catalogNumber": "1521812", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "Griseb.", "genus": "Jacquemontia", "subgenus": "", "specificEpithet": "tamnifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S.M. Tracy", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "GRPM 45515", "associatedTaxa": "", "country": "", "stateProvince": "Mississippi", "county": "Harrison", "municipality": "", "locality": "Biloxi", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}