found: Work cat: Recovery strategy for the American Columbo (Frasera caroliniensis) in Canada, 2019.
found: ITIS website, April 1, 2020:(Frasera caroliniensis; Synonyms - Swertia carolinensis, Frasera officinalis, Frasera verticillata, Frasera walteri, Swertia caroliniensis; Common name - American columbo; Genus - Frasera, Family - Gentianaceae, Order - Gentianales, Class - Magnoliopsida, Division - Tracheophyta, Kingdom - Plantae)
found: PLANTS database website, April 1, 2020:(Frasera caroliniensis, American columbo; Synonyms - Frasera officinalis, Frasera verticillata, Frasera walteri, Swertia caroliniensis; Genus - Frasera, Family - Gentianaceae, Order - Gentianales, Class - Magnoliopsida, Division - Magnoliophyta, Kingdom - Plantae)
found: NatureServe Explorer website, April 1, 2020:(Frasera caroliniensis, Carolina Gentian; Other Common Names: American Columbo (EN), American columbo (EN), Frasère de Caroline (FR); Synonyms: Swertia caroliniensis; Genus - Frasera, Family - Gentianaceae, Order - Gentianales, Class - Dicotyledoneae, Phylum - Anthophyta, Kingdom - Plantae)