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": ""}
   6 rivularis  C 1893-06-20   saxifragaceae k $Y8    y`d0  SAXIFRAGA   e~9lh colorado   // Saxifragales OURAY x-E6W  uncompahgre mountains, near ouray 2   s.n.  r x    nhH saxifraga rivularis  ^   GRPM 41950   O-2x 1501613    S.H. Camp & D.R. Camp 7Iw   ,k united states
{"catalogNumber": "1501613", "order": "Saxifragales", "family": "Saxifragaceae", "scientificName": "Saxifraga rivularis", "scientificNameAuthorship": "", "genus": "Saxifraga", "subgenus": "", "specificEpithet": "rivularis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S.H. Camp & D.R. Camp", "recordNumber": "s.n.", "verbatimEventDate": "1893-06-20", "habitat": "", "occurrenceRemarks": "GRPM 41950", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Ouray", "municipality": "", "locality": "Uncompahgre Mountains, near Ouray", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}