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": ""}
    F C4RL O. GRASSL  zI  1937-10-15  7@ plantago aristata       ?6*s 1243020 On sandy back of Mill La2ke 42Â°20'N. Lat., 84Â°5'W. Long. <~|   ^Ts$f lamiales   ; Plantago Michx. 6V!      michigan afx     R+ 7756 Plantaginaceae |?L     M$z -84.08884
{"catalogNumber": "1243020", "order": "Lamiales", "family": "Plantaginaceae", "scientificName": "Plantago aristata", "scientificNameAuthorship": "Michx.", "genus": "Plantago", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "7756", "verbatimEventDate": "1937-10-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "On sandy back of Mill Lake 42\u00c2\u00b020'N. Lat., 84\u00c2\u00b05'W. Long.", "decimalLatitude": "", "decimalLongitude": "-84.08884", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}