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": ""}
  (Mart. ex Schult. & Schult. f.) uchenau l&/e     &5X ALLEGAN   =bNx tenellu5    A>~ ECHINODORUS  alismatales GQWd     xGDw Fruit/Flower.    ZsQ 1334364  &bn Echinodorus tenellus    Roek~ united states Bradford S. Slaughter G4 TI     
{"catalogNumber": "1334364", "order": "Alismatales", "family": "", "scientificName": "Echinodorus tenellus", "scientificNameAuthorship": "(Mart. ex Schult. & Schult. f.) Buchenau", "genus": "Echinodorus", "subgenus": "", "specificEpithet": "tenellus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Bradford S. Slaughter", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Fruit/Flower.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}