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": ""}
Carl O. Grassl ~  L. yU    f/3 lemnra UNITED STATE5 12-RC    floating 0r 1 inch below surface of water in dense mats in the pool with fountain.  u_;q trisulca MICHIGAN MZ  1474361 h!M2  HENES PARK, CITY OF MENOMINEE. b*qP       1933-07-31  g<   m 2767   W~/ alismatales  Ac  LEMNA TRISULCA  -87.58333 l   < 45.15   TY menominee   Araceae Y$g2K 
{"catalogNumber": "1474361", "order": "Alismatales", "family": "Araceae", "scientificName": "Lemna trisulca", "scientificNameAuthorship": "L.", "genus": "Lemna", "subgenus": "", "specificEpithet": "trisulca", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "2767", "verbatimEventDate": "1933-07-31", "habitat": "Floating or 1 inch below surface of water in dense mats in the pool with fountain.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Menominee", "municipality": "", "locality": "Henes Park, City of Menominee.", "decimalLatitude": "45.15", "decimalLongitude": "-87.58333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}