Frasera thyrsiflora Hook. species synonym

Frasera speciosa var. scabra M.E.Jones variety synonym

Frasera scabra (M.E.Jones) Rydb. species synonym

Frasera nitida var. albicaulis (Douglas ex Griseb.) Card variety synonym

Frasera induta Tidestr. species synonym

Frasera carolinensis Hook. species synonym

Frasera caerulea Mulford species synonym

Frasera ampla Greene species synonym

Frasera albicaulis f. alba H.St.John form synonym

Tesseranthium stenosepalum Rydb., 1917 species synonym

Tesseranthium speciosum (Douglas ex Griseb.) Rydb. species synonym

Tesseranthium scabrum Rydb., 1917 species synonym

Tessaranthium stenosepalum (Rydb.) Rydb. species synonym

Tessaranthium speciosum (Douglas ex Hook.) Rydb. species synonym

Tessaranthium scabrum (M.E.Jones) Rydb. species synonym

Tessaranthium radiatum Kellogg species synonym

Tessaranthium macrophyllum (Greene) Rydb. species synonym

Tessaranthium angustifolium (Rydb.) Rydb. species synonym

Frasera venosa Greene species synonym

Frasera utahensis M.E.Jones species synonym

Frasera caroliniensis Walter species accepted

Frasera verticillata Raf. species synonym

Frasera officinalis Barton species synonym

Frasera walteri Michx. species synonym

Frasera gypsicola (Barneby) D.M.Post species accepted

Frasera neglecta H.M.Hall species accepted

Frasera puberulenta Davidson species accepted

Frasera albomarginata var. purpusii Jeps. variety synonym

Frasera albicaulis Douglas ex Griseb. species accepted

Frasera coloradensis (C.M.Rogers) D.M.Post species accepted

Frasera paniculata Torr. species accepted

Frasera speciosa Douglas ex Griseb. species synonym

Frasera angustifolia (Rydb.) Rydb. species synonym

Tesseranthium radiatum Kellogg species synonym

Frasera speciosa var. stenosepala Rydb. variety synonym

Tesseranthium macrophyllum (Greene) Rydb. species synonym

Frasera speciosa var. angustifolia Rydb. variety synonym

Frasera macrophylla Greene species synonym

Tesseranthium angustifolium (Rydb.) Rydb. species synonym

Frasera stenosepala (Rydb.) Rydb. species synonym

Frasera albomarginata S.Watson species accepted

Frasera albomarginata var. induta (Tidestr.) Card variety synonym

Frasera fastigiata (Pursh) A.Heller species accepted

Frasera umpquaensis M.Peck & Applegate species accepted

Frasera montana Mulford species accepted

Frasera parryi Torr. species accepted

Frasera tubulosa Coville species accepted

Swertia carolinensis (Walter) Zuev species synonym

Swertia watsonii H.St.John species synonym

Swertia radiata var. maderensis Henrickson variety synonym

Swertia frasera Sm. species synonym

Swertia californica H.St.John species heterotypic synonym

Leucocraspedum utahense (M.E.Jones) Rydb. species synonym

Swertia bigelowii Kuntze species synonym

Leucocraspedum albicaule (Douglas ex Griseb.) Rydb. species synonym

Swertia bethelii H.St.John species heterotypic synonym

Swertia albicaulis f. alba (H.St.John) H.St.John form synonym

Frasera carolinensis Walter species accepted

Swertia albomarginata var. purpusii Jeps. variety synonym

Swertia caroliniensis (Walter) Kuntze species synonym

Swertia gypsicola Barneby species synonym

Swertia neglecta (Hall) Jeps. species synonym

Swertia puberulenta (Davidson) Jeps. species synonym

Swertia coloradensis C.M.Rogers species synonym

Swertia utahensis (M.E.Jones) H.St.John species synonym

Swertia radiata var. macrophylla (Greene) H.St.John variety synonym

Swertia radiata (Kellogg) Kuntze species synonym

Swertia albomarginata (S.Watson) Kuntze species synonym

Leucocraspedum albomarginatum (S.Watson) Rydb. species synonym

Swertia fastigiata Pursh species synonym

Swertia umpquaensis (Peck & Applegate) H.St.John species synonym

Leucocraspedum montanum Rydb. species synonym

Swertia montana (Mulford) H.St.John species synonym

Swertia parryi (Torr.) Kuntze species synonym

Swertia tubulosa (Coville) Jeps. species synonym

Swertia carolinensis (Walter) Kuntze species synonym

Swertia gypsicoloa Barneby species synonym

Swertia carolinensis Baill. ex Gilg species synonym

Swertia albicaulis (Griseb.) Douglas ex Kuntze species synonym

Frasera albicaulis subsp. albicaulis subspecies synonym

Swertia albomarginata subsp. purpusii (Jeps.) A.E.Murray subspecies synonym

Frasera speciosa Douglas species homotypic synonym

Swertia albicaulis Douglas ex Griseb. species synonym

Frasera speciosa Douglas ex Hook. species accepted

Frasera ackermaniae C.C.Newb. & Goodrich species accepted

Leucocraspedum caeruleum (Mulford) Rydb. species synonym

Swertia albicaulis (Griseb.) Douglas species homotypic synonym

Frasera albicaulis Douglas species homotypic synonym

Swertia carolinensis Baill. species homotypic synonym