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": ""}
j$H 1937-09-18          jackson  N   Dx Asterales marshy bank of river ?  PATULA +9Rs$   N7 MUHL. EX WILLD.   |py 1257380   Xy Frederick J. Hermann     ~@ -84.18063   Michigan j   ~ united states
{"catalogNumber": "1257380", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "", "subgenus": "", "specificEpithet": "patula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick J. Hermann", "recordNumber": "", "verbatimEventDate": "1937-09-18", "habitat": "Marshy bank of river", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Jackson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.18063", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}