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": ""}
 POTAMOGETON $^  -86.442516 |Pc    POTAMOGETON RICHARDSONII q0    s$b/H EDWARD G. VOSS united states jr&    L |281740  @0? (A. BENN.) RYDB.  %z 7615   WI  richardsonii se side of chapel lake (sec. 28), ca. 4.5 mi. nnw of melstrand XI   ~&0 C Michigan  alismatales b@E   ER?]F alger  2 46.527683   l 1958-07-22     . frequent in water ca. 2-3 ft. deep 
{"catalogNumber": "1281740", "order": "Alismatales", "family": "", "scientificName": "Potamogeton richardsonii", "scientificNameAuthorship": "(A. Benn.) Rydb.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "7615", "verbatimEventDate": "1958-07-22", "habitat": "Frequent in water ca. 2-3 ft. deep", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "SE side of Chapel Lake (sec. 28), ca. 4.5 mi. NNW of Melstrand", "decimalLatitude": "46.527683", "decimalLongitude": "-86.442516", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}