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": ""}
 *s@6 Spirodela    (L.) Schleid. -a ]   ^U^9 43.704295   polyrhiza RV*    !x7f ARACEAE   Im michigan   BM9!  ALISMATALES  Q+ 1474467 MECOSTA @     eSB -85.225413 J. FUNK Va   ^i s.n.  )jl boom lake.    united states x 
{"catalogNumber": "1474467", "order": "Alismatales", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "(L.) Schleid.", "genus": "Spirodela", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Funk", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mecosta", "municipality": "", "locality": "Boom Lake.", "decimalLatitude": "43.704295", "decimalLongitude": "-85.225413", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}