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": ""}
Alismatales +o     P%) 3 1663023     kL N.C. Fassett SPIRODELA POLYRHIZA yi -(        crawford  ODEE    4147      G LB (L.) SCHLEID.    Dps 1927-8-19  FLOATING IN SHALLOW WATER Pc;>8  Wisconsin ^:2    
{"catalogNumber": "1663023", "order": "Alismatales", "family": "", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "(L.) Schleid.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "N.C. Fassett", "recordNumber": "4147", "verbatimEventDate": "1927-08-19", "habitat": "Floating in shallow water", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Wisconsin", "county": "Crawford", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}