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": ""}
 ?h4 ON SAWMILL DAM       9l; Pend Oreille National Forest  [kQ_ 1208898          ARACEAE UV   y;S landolt    ` idaho  8>+ Lemna  @m` United States    457   4 J.H. Ehlers & C.O. Erlanson
{"catalogNumber": "1208898", "order": "", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "Landolt", "genus": "Lemna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J.H. Ehlers & C.O. Erlanson", "recordNumber": "", "verbatimEventDate": "", "habitat": "On sawmill dam", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Idaho", "county": "", "municipality": "", "locality": "Pend Oreille National Forest", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "457", "maximumElevationInMeters": ""}