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": ""}
 46.643455 MERh    United States Hf  plantaginaceae |dFr   L.  =#   major      M^w  occasional. gravelly roadside    < -89.5920(9  $% plantago  BeG) LAMIALES  b 1243218           i 1958-07-26
{"catalogNumber": "1243218", "order": "Lamiales", "family": "Plantaginaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Plantago", "subgenus": "", "specificEpithet": "major", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1958-07-26", "habitat": "occasional. gravelly roadside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.643455", "decimalLongitude": "-89.59209", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}