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": ""}
 6892 j04#Y   P8k$ Ontario GREY d |DP  ARACEAE     Old Fields grown up with Crataegus spp., locally pastured and, in a few areas, seepy with dense growth of young Thuja occidentalis Z       Q H. Karst.      CANADA g8/HC    ;x2 wolffia  Y3+f Al|smatales  o F densly abundant with Spirodela polyrhiza om surface of smalLl pond in old fiel  O< A. A. Reznicek  9x8 wolffia columbiana  columbiana g66 (   
{"catalogNumber": "", "order": "Alismatales", "family": "Araceae", "scientificName": "Wolffia columbiana", "scientificNameAuthorship": "H. Karst.", "genus": "Wolffia", "subgenus": "", "specificEpithet": "columbiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. A. Reznicek", "recordNumber": "6892", "verbatimEventDate": "", "habitat": "Old Fields grown up with Crataegus spp., locally pastured and, in a few areas, seepy with dense growth of young Thuja occidentalis", "occurrenceRemarks": "densly abundant with Spirodela polyrhiza on surface of small pond in old field", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Grey", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}