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": ""}
  Henry P. Sartwell Td     subsp. O    )T-@0 calam4grostis stricta subsp. inexpansa  1474960 u      STRICTA ycI    eBsF Calamagrostis  P h MICHIGAN       (A. GRAY) C. W. GREENE G,N  
{"catalogNumber": "1474960", "order": "", "family": "", "scientificName": "Calamagrostis stricta subsp. inexpansa", "scientificNameAuthorship": "(A. Gray) C. W. Greene", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "stricta", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Henry P. Sartwell", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}