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": ""}
 michigan cKhn   Abundant in pools and creek. :e-D]    (?f|` 1934-08-08   TU! L.    q 1531    =;< Carl O. Grassl   l United States -88.33333 E*$   , Alismatales   I;Q [As. Det. E.. Daubs]    46.4 +ix   ^@dgQ lemna  W`4&Z Araceae lemna minor `6   
{"catalogNumber": "", "order": "Alismatales", "family": "Araceae", "scientificName": "Lemna minor", "scientificNameAuthorship": "L.", "genus": "Lemna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "1531", "verbatimEventDate": "1934-08-08", "habitat": "Abundant in pools and creek.", "occurrenceRemarks": "[As. Det. E.H. Daubs]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.4", "decimalLongitude": "-88.33333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}