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": ""}
Michigan B2z,  JOHN H. EHLERS kX    (+ su8sp.  2h OCCIDENTALIS      <uTrF UNITED STATES     Kp  , STUCKEMIA FILIFORMIS SUBSP. OCCIDENTALIS      In Nigger Creek near Topnabee   |I     N 45.510131    -84.565104  e`  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Stuckenia filiformis subsp. occidentalis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "occidentalis", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "In Nigger Creek near Topinabee", "decimalLatitude": "45.510131", "decimalLongitude": "-84.565104", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}