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Tonestus, common name serpentweed,[2] is a genus of North American flowering plants in the family Asteraceae.[3][4][5][6][7][2][8]

Tonestus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Astereae
Subtribe:	Solidagininae
Genus:	Tonestus A.Nelson
Synonyms[1]
Haplopappus sect. Tonestus (A.Nelson) H.M.Hall

The name is an anagram of the name of the related genus Stenotus.[3] Nestotus is similarly another anagram of the same name.[9]

Species[1][10]

• Tonestus eximius (H.M.Hall) A.Nelson & J.F.Macbr. - CA NV
• Tonestus graniticus (Tiehm & L.M.Shultz) G.L.Nesom & D.R.Morgan - NV
• Tonestus lyallii (A.Gray) A.Nelson - Alberta, British Columbia, WA OR ID MT CO WY NV CA
• Tonestus pygmaeus (Torr. & A.Gray) A.Nelson - MT WY CO NM

formerly included[1]

now in Herrickia Lorandersonia Toiyabea

• Tonestus alpinus (L.C.Anderson & Goodrich) G.L.Nesom & D.R.Morgan - Toiyabea alpina (L.C.Anderson & Goodrich) R.P.Roberts, Urbatsch & Neubig
• Tonestus kingii (D.C.Eaton) G.L.Nesom - Herrickia kingii (D.C.Eaton) Brouillet, Urbatsch & R.P.Roberts
• Tonestus microcephalus (Cronquist) G.L.Nesom & D.R.Morgan - Lorandersonia microcephala (Cronquist) Urbatsch, R.P.Roberts & Neubig
• Tonestus peirsonii (D.D.Keck) G.L.Nesom & D.R.Morgan - Lorandersonia peirsonii (D.D.Keck) Urbatsch, R.P.Roberts & Neubig

References

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