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": ""}
   6  Alismatales UNITED STATE2S r[  C. Barre Hellquist 1z y  subsp. whY   %#a pusillus  Z#.u  1441231      ahb (J.W. Robbins) Haynes & C.B . Hellquist gemmiparus 8   | potamogeton  YrS POTAMOGETON PjUSILLUS SUBSP. GEMMIPARUS   MAINE J  contact um herbarium p 7f       *D5T 4501    
{"catalogNumber": "1441231", "order": "Alismatales", "family": "", "scientificName": "Potamogeton pusillus subsp. gemmiparus", "scientificNameAuthorship": "(J.W. Robbins) Haynes & C.B. Hellquist", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "pusillus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "gemmiparus", "identifiedBy": "", "recordedBy": "C. Barre Hellquist", "recordNumber": "4501", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maine", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}