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": ""}
 Tn united states    Michigan W3   _S(kk H. Karst.   Depth of water: 1/2-5 ft Bottom: marl, fibrous peat 6|y      [+ LEMNA TRISULCA (ALSO ON SEPARATE SHEET)][INACTIVE BARCODE. ON SAME SHEET AS SPIRODELA POLYRHIZA WITH ACTIVE BARCODE 1289942 AND LEMNA TRISULCA WITH INACTIVE BARCODE 1289943] ?   502 U$   WOLFFIA COLUMBIANA M=   -1F 1938-07-31  r<fg e. landolt  7KpC CALHOUN  c 42.413278 P.H. ESCHMEYER [i   X2] 1289944  T&|l  ALISMATALES  0J`w@ -85.217223   ! ARACEAE    W0lffia 
{"catalogNumber": "1289944", "order": "Alismatales", "family": "Araceae", "scientificName": "Wolffia columbiana", "scientificNameAuthorship": "H. Karst.", "genus": "Wolffia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. Landolt", "recordedBy": "P.H. Eschmeyer", "recordNumber": "502", "verbatimEventDate": "1938-07-31", "habitat": "Depth of water: 1/2-5 ft Bottom: marl, fibrous peat", "occurrenceRemarks": "[+ Lemna trisulca (also on separate sheet)][Inactive barcode. On same sheet as Spirodela polyrhiza with active barcode 1289942 and Lemna trisulca with inactive barcode 1289943]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Calhoun", "municipality": "", "locality": "", "decimalLatitude": "42.413278", "decimalLongitude": "-85.217223", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}