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": ""}
IN SHALLOW WATER OF LAKE Rv   A. Dachnowski     F 46.252426    1906-07-17 zQ       HNr Michigan  nI canadensis   TO~S PUnited States   D -88.072541    elodea canadensis pgr    @c pickerell lake    Fkq  michx.
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Elodea canadensis", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Dachnowski", "recordNumber": "", "verbatimEventDate": "1906-07-17", "habitat": "in shallow water of lake", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Pickerell Lake", "decimalLatitude": "46.252426", "decimalLongitude": "-88.072541", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}