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": ""}
 john h. ehlers Gos!           Myrtales 9$?bQ  ludwigia ^p   X 46.018899    == 1929-09-15  n -85.041733   Mackinac F.$      *0I  ONAGRACEAE  
{"catalogNumber": "", "order": "Myrtales", "family": "Onagraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Ludwigia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1929-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Mackinac", "municipality": "", "locality": "", "decimalLatitude": "46.018899", "decimalLongitude": "-85.041733", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}