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": ""}
 N locally common near edge of sand trail road,    7 w (L.) PURSH   P, "Fls. white."    K+uLo Calystegia spithamaea  >_Hv convolvulaceae    EDWARD G. VOSS JV$     1957-06-27 +$[     O P SOLANALLES United States @z_AP    gladw|n #i0|P      5 spithamaea
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Calystegia spithamaea", "scientificNameAuthorship": "(L.) Pursh", "genus": "", "subgenus": "", "specificEpithet": "spithamaea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1957-06-27", "habitat": "Locally common near edge of sand trail road,", "occurrenceRemarks": "\"Fls. white.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Gladwin", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}