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": ""}
PUMILA W.       H; Bass Lake, near Lakeland. JOHN H. EHLERS $   6 michigan  1934-09-30 JPO?;   betula 3hYaM  5753  bd8  betula pumila        42.45415     p!g6 LIVINGSTON   &O FAGALES  -83.86186 &;5|    L. 1<yu   
{"catalogNumber": "", "order": "Fagales", "family": "", "scientificName": "Betula pumila", "scientificNameAuthorship": "L.", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "5753", "verbatimEventDate": "1934-09-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Bass Lake, near Lakeland.", "decimalLatitude": "42.45415", "decimalLongitude": "-83.86186", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}