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 `* t^    )I G~AYLUSSACI4   United States          ajz ERICACEAE  +5E MICHIGAN   $O ASPEN ASSOCIATION. 45.5809488889 mgH4?    , (Wangenh.) K. Koch ERICALES w>E     DOUGLAS LAKE ALONG FOSS AND STREAM NEAR SMITH'S BOG 7B.+  1920-06-20 iQ f=  
{"catalogNumber": "", "order": "Ericales", "family": "Ericaceae", "scientificName": "", "scientificNameAuthorship": "(Wangenh.) K. Koch", "genus": "Gaylussacia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1920-06-20", "habitat": "Aspen Association.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Douglas Lake, along foss and stream near Smith's Bog", "decimalLatitude": "45.5809488889", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}