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": ""}
wolffia P    H. Karst. E1W      j. k. morton and joan m. venn C4NADA V   81@ Mindemoya at S. end of Katchumkum rd. Carnarvon Twp 1662555 YY     08z COLUMBIANA    M6e WOLFFIA COLUMBIANA 1978-10-16 n   =^^3n in sluggish outlet river by road mixed with lemna and riccia  12675 PjXBs   xOOX araceae  Alismatales sa|s   ontario Z    N Manitoulin    
{"catalogNumber": "1662555", "order": "Alismatales", "family": "Araceae", "scientificName": "Wolffia columbiana", "scientificNameAuthorship": "H. Karst.", "genus": "Wolffia", "subgenus": "", "specificEpithet": "columbiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. K. Morton and Joan M. Venn", "recordNumber": "12675", "verbatimEventDate": "1978-10-16", "habitat": "in sluggish outlet river by road mixed with lemna and Riccia", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Manitoulin", "municipality": "", "locality": "Mindemoya at S. end of Katchumkum rd. Carnarvon Twp", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}