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": ""}
timothy l. walters a<    (L.) Schleid.    Michigan )f        ,3l; FREQUENT. [ACTIVE BARCODE. ON SAME SHEET AS LEMNA TURIONIFERA WITH INACTIVE BARCODE 1289950] MANISTEE (   P6nx3 araceae   1200468 |  44.211879 h        =^ POLYRHIZA    
{"catalogNumber": "1200468", "order": "", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "(L.) Schleid.", "genus": "", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Timothy L. Walters", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Frequent. [Active barcode. On same sheet as Lemna turionifera with inactive barcode 1289950]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Manistee", "municipality": "", "locality": "", "decimalLatitude": "44.211879", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}