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Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Heliantheae[1]
Genus: Hedosyne
Species: H. ambrosiifolia
Binomial name
Hedosyne ambrosiifolia
(A.Gray) Strother
  • Iva ambrosiifolia var. lobata (Rydb.) B.L.Turner
  • Cyclachaena ambrosiaefolia (A.Gray)
  • Cyclachaena lobata Rydb.
  • Cyclachaena ambrosiifolia (A.Gray) Benth. & Hook.f. ex B.D.Jacks.
  • Iva ambrosiifolia subsp. lobata (Rydb.) R.C.Jacks.
  • Cyclachaena ambrosiifolia (A.Gray) Benth. & Hook.f. ex Rydb.
  • Iva ambrosiifolia (A.Gray) A.Gray

Hedosyne is a genus of plants in the sunflower family.[2][3]

There is only one known species, Hedosyne ambrosiifolia, native to the southwestern United States and northern Mexico: Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Sonora, Zacatecas, New Mexico, western Texas, southern Arizona.[1][4][5][6] The species is sometimes referred to by the common name ragged marsh-elder.[7]


  1. ^ a b c Flann, C (ed) 2009+ Global Compositae Checklist
  2. ^ Strother, John Lance. 2001. Madroño 47(3): 204–205
  3. ^ Tropicos, Hedosyne Strother
  4. ^ Flora of North America, Hedosyne ambrosiifolia (A. Gray) Strother, Madroño. 47: 204. 2001.
  5. ^ Biota of North America Program 2013 county distribution map
  6. ^ CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F..
  7. ^ "Hedosyne ambrosiifolia". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 10 May 2015.