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": ""}
  sz- POALES  SC poa palustris  0-aC r. j. soreng  6E Poaceae   x`a+ palustris   A9 2999     <%.  Poa  I minnesota  |  United States   X, 1998-07-21     Superior ]National Forest. South on Cty 47 approximately 0.25 mile southeast of its junction with the Gunflint Trail (Hwy 12) 87   ~X cook     !9-- lyndon b. gerdes 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Poa palustris", "scientificNameAuthorship": "", "genus": "Poa", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. J. Soreng", "recordedBy": "Lyndon B. Gerdes", "recordNumber": "2999", "verbatimEventDate": "1998-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "Cook", "municipality": "", "locality": "Superior National Forest. South on Cty 47 approximately 0.25 mile southeast of its junction with the Gunflint Trail (Hwy 12)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}