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": ""}
   p st. louis  United States mu  lakes *(+   W6j araceae       alismatales 7bkV   columbiana A    )9 missouri  H. Eggert ?J,l2  1891 DX7Uq     a Wolffia  Wolffia columbiana 2  NO DATA PROVIDED ON LABEL OF CATALOG NO: 1663125 41fS   V&T H. KARST. 
{"catalogNumber": "", "order": "Alismatales", "family": "Araceae", "scientificName": "Wolffia columbiana", "scientificNameAuthorship": "H. Karst.", "genus": "Wolffia", "subgenus": "", "specificEpithet": "columbiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Eggert", "recordNumber": "", "verbatimEventDate": "1891", "habitat": "Lakes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "St. Louis", "municipality": "", "locality": "no data provided on label of catalog no: 1663125", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}