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": ""}
 551m% DUVAL  _ Alismatales SUBSP. NQbS  florida e    GRAMINEA  . WZ     sagittaria graminea subsp. graminea nDc      7B^ SAGITTARIA  v>R@:g GRAMINEA   A.H. Curtiss de z   `?t2 pine barren ponds.  b Alismataceae  vDpCw united states   vd 2746   =P Robert R. Haynes 1210665 P^B  
{"catalogNumber": "1210665", "order": "Alismatales", "family": "Alismataceae", "scientificName": "Sagittaria graminea subsp. graminea", "scientificNameAuthorship": "", "genus": "Sagittaria", "subgenus": "", "specificEpithet": "graminea", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "graminea", "identifiedBy": "Robert R. Haynes", "recordedBy": "A.H. Curtiss", "recordNumber": "2746", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Duval", "municipality": "", "locality": "Pine barren ponds.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}