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 poales  United States 1u    eleocharis elliptia E-Q8@   5_~lD CYPERACEAE       e: Contact UM Herbarium eleocharis  ^    && Welby R. Smith  INNESOTA 9  elliptica # 50^    BQ? 1450926  U^c% 34024    KUNTH qJ 
{"catalogNumber": "1450926", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis elliptica", "scientificNameAuthorship": "Kunth", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "elliptica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Welby R. Smith", "recordNumber": "34024", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}