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": ""}
       (L.) SCHLEID. yw6     yB;  s.n.  OWO SSO. MCRi       i Shiawassee  SPIRODEL>A ubl1   V`N 1474489    ARACEAE -84.17664 *b^BS   O7Jw  united states  Uvd3 GILBERT H. HICKS ALISMATALES vD  Michigan I  Spirodela polyrhiza 0  
{"catalogNumber": "1474489", "order": "Alismatales", "family": "Araceae", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "(L.) Schleid.", "genus": "Spirodela", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gilbert H. Hicks", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Shiawassee", "municipality": "", "locality": "Owosso.", "decimalLatitude": "", "decimalLongitude": "-84.17664", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}