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": ""}
  2R&@ 140   R| NUTT.   4 30.687 plantago qb- !  GA7ES, FLETCHER, & JEWETT  1   xh;Bk plantaginaceae  U=`  1839-04-22    Mobile 8      plantago heterophylla  ^o lamiales 1535802 t`    G MOBILE   -88.061 4       X`a8 ALABAMA 
{"catalogNumber": "1535802", "order": "Lamiales", "family": "Plantaginaceae", "scientificName": "Plantago heterophylla", "scientificNameAuthorship": "Nutt.", "genus": "Plantago", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gates, Fletcher, & Jewett", "recordNumber": "140", "verbatimEventDate": "1839-04-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Alabama", "county": "Mobile", "municipality": "", "locality": "Mobile", "decimalLatitude": "30.687", "decimalLongitude": "-88.061", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}