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": ""}
3978  XlL]  John H. Ehlers  OYg_   LANDOLT Y3    -84.565619  B   `hP michigan 1929-07-12 B 9:K    1474425     @W+ UNITED STATES  [many pointed root caps] [l. minor, e.h. daubs, 1961] mostly this species.      5,l% alismatales     x1   LEMNA  T&F Muddy banks. 45.509409 -   q ;<$ lemna turionifera NIGGER CREEK, TOPINABEE. kW   turionifera 9M 
{"catalogNumber": "1474425", "order": "Alismatales", "family": "", "scientificName": "Lemna turionifera", "scientificNameAuthorship": "Landolt", "genus": "Lemna", "subgenus": "", "specificEpithet": "turionifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "3978", "verbatimEventDate": "1929-07-12", "habitat": "Muddy banks.", "occurrenceRemarks": "[Many pointed root caps] [L. minor, E.H. Daubs, 1961] Mostly this species.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Nigger Creek, Topinabee.", "decimalLatitude": "45.509409", "decimalLongitude": "-84.565619", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}