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": ""}
 araceae uD7P     tY.   LEMNA    dp<  turionifera        Lemna turionifera   floating= with spirodela & wolffia in outlet. s   + e. landol7 MICHIGAN 2lyf  [some root tips rounded, some root tips pointed] RiM_  1474422 oL   MILL LAKE. @  42.33333 @   7638 ~j   washtenaw ,R  carl o. grassl <T w|   Alismatales 1=j  
{"catalogNumber": "1474422", "order": "Alismatales", "family": "Araceae", "scientificName": "Lemna turionifera", "scientificNameAuthorship": "", "genus": "Lemna", "subgenus": "", "specificEpithet": "turionifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. Landolt", "recordedBy": "Carl O. Grassl", "recordNumber": "7638", "verbatimEventDate": "", "habitat": "Floating with Spirodela & Wolffia in outlet.", "occurrenceRemarks": "[Some root tips rounded, some root tips pointed]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Mill Lake.", "decimalLatitude": "42.33333", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}