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": ""}
    NYMPHOIDES    ASTERALES M+  NYMPHOIDES CORDATA Rol   Rob & Heather Simpson /T_    NF CORDATA  ONTARIO / *b>     8eX 1431803  contact um herbarium !e    1976-06-08 ZH;6M     1xk%@ Canada  MH3 1470  (ELLIOTT) FERNALD e    MENYANTHACEAE F[ 
{"catalogNumber": "1431803", "order": "Asterales", "family": "Menyanthaceae", "scientificName": "Nymphoides cordata", "scientificNameAuthorship": "(Elliott) Fernald", "genus": "Nymphoides", "subgenus": "", "specificEpithet": "cordata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rob & Heather Simpson", "recordNumber": "1470", "verbatimEventDate": "1976-06-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}