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": ""}
 DP 48.106297      caltha      o 1942-06-04 Ranunculaceae Ea    :7f HAROLD E. BAILEY & VIRGINIA L. BAILEY  ! 8_ Small swamp           S michigan    <V: PALUSTRIS  
{"catalogNumber": "", "order": "", "family": "Ranunculaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Caltha", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harold E. Bailey & Virginia L. Bailey", "recordNumber": "", "verbatimEventDate": "1942-06-04", "habitat": "Small swamp", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "48.106297", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}