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": ""}
 POTAMOGETONACEAE JA2   NORFOLK ]kda   Potamogetn pusillus subsp. gemmiparus <x TJ  pusillus Q6#q     ?G ALISMATALES Fred H. Horsford _eA    8 0q% Potamogeton   7c s.n.  r charles river, dedham  1U[0 subsp.       rU> gemmiparus grpm 41538 @?NVy   1880-07-16 L$    ^f river  * UNITED STATES
{"catalogNumber": "", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton pusillus subsp. gemmiparus", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "pusillus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "gemmiparus", "identifiedBy": "", "recordedBy": "Fred H. Horsford", "recordNumber": "s.n.", "verbatimEventDate": "1880-07-16", "habitat": "River", "occurrenceRemarks": "GRPM 41538", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Norfolk", "municipality": "", "locality": "Charles River, Dedham", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}