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": ""}
FREDERICK K. SPARROW 6      _6/j EMMET 1280259 /   6 MICHIGAN 1952-08-05 QP&oi    l. $     crispus  3 Zp  potamogeton NoN `     j C potamogetonaceae UNITED ST-ATES R B  -84.98543 ?.^EN    0mn0N submersed, [Voss]     
{"catalogNumber": "1280259", "order": "", "family": "Potamogetonaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "crispus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick K. Sparrow", "recordNumber": "", "verbatimEventDate": "1952-08-05", "habitat": "submersed, [Voss]", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.98543", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}