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": ""}
 B&D 2694  S$[   %=-@- potamogetonaceae      [glands present] [p. pusillus var. tenuissimus (rrh73)] t    ,#iFF potamogeton berchtoldii  Alismatales  1J!    ^un berchtoldii  =5 MICHIGAN  5z3 S potamogeton   M  Henry T. Darlington  ;X gogebic Fieber T  UNITED STATES  Hi   _ 1919-08-23  .q j$ lake region   1280207 eR 
{"catalogNumber": "1280207", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton berchtoldii", "scientificNameAuthorship": "Fieber", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "berchtoldii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Henry T. Darlington", "recordNumber": "B&D 2694", "verbatimEventDate": "1919-08-23", "habitat": "", "occurrenceRemarks": "[glands present] [P. pusillus var. tenuissimus (RRH73)]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gogebic", "municipality": "", "locality": "Lake region", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}