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": ""}
AT W. END OF JOHNSON LAKE, AMILTON< TWP.Q, CA. 6 MI. NW OF DECATUR. 7X<^    MICHIGAN fW6pq  -86.057297 YA   Van Buren j  UNITED STATES [=^  l. l Gam    FREQUENT SHRUB CA. 1 M. TALL, QUAKING MAT OF MARLY TAMARACK-POISON SUMAC BOG. ?LU          Betula pumila X``)    PUMILA 92A    Betulaceae S=! 
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Betula pumila", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Frequent shrub ca. 1 m. tall, quaking mat of marly tamarack-poison sumac bog.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "At W. end of Johnson Lake, Hamilton Twp., ca. 6 mi. NW of Decatur.", "decimalLatitude": "", "decimalLongitude": "-86.057297", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}