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": ""}
 R4 triangularis  yG 4.5 MI E NEWTON, OVERLOOKING TURKEY CREEK TO W, S OF US HWY 80.      CHARLES T. BRYSON  %    United hStates .TKRD      ;tC7? TRS: T6N R12E sec 29       mississippi  a    EA FhV 1389840     5 IK poales  ) +R= 1990-04-13
{"catalogNumber": "1389840", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "triangularis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles T. Bryson", "recordNumber": "", "verbatimEventDate": "1990-04-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "", "municipality": "", "locality": "4.5 mi E Newton, overlooking Turkey Creek to W, S of US Hwy 80.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T6N R12E sec 29", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}