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": ""}
 SR, fern.  POTAMOGETONACEAE c>   West side of Bear Lake <  macellus 8rNB         1950-08 -07 c4V-4    foliosus 8  ALISMATALES 5    u (@f UNITED STATES 47.233 n*R%L  POTAMOGETON FOLIOSUS VAR. MACELLUS  )Ue   A7& 1280553 houghton # ;    
{"catalogNumber": "1280553", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton foliosus var. macellus", "scientificNameAuthorship": "Fern.", "genus": "", "subgenus": "", "specificEpithet": "foliosus", "verbatimTaxonRank": "", "infraspecificEpithet": "macellus", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1950-08-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Houghton", "municipality": "", "locality": "West side of Bear Lake", "decimalLatitude": "47.233", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}