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": ""}
Maryland # DP   ELEOCHARIS ENGELMANNII S,    y Poales     willow creek. uZY3  United States E  CYPERACEA^E <   G   steud.    W 1911-07-03   1397425 k$  Eleochris +BfBT    CBwv ellsworth j. hill   | engelmannii    
{"catalogNumber": "1397425", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis engelmannii", "scientificNameAuthorship": "Steud.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "engelmannii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ellsworth J. Hill", "recordNumber": "", "verbatimEventDate": "1911-07-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "", "municipality": "", "locality": "Willow Creek.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}