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Oreostemma is a genus of flowering plants in the daisy family, Asteraceae.[2] Species are found in western North America, with two endemic to California.[3][4][5][6][7][8]

Oreostemma alpigenum flower 1.jpg
Oreostemma alpigenum
Scientific classification

  • Oreastrum Greene 1896, illegitimate near-homonym, not Oriastrum Poepp. 1843
  • Aster subg. Oreostemma (Greene) Peck
  1. Oreostemma alpigenum (Tundra aster) — California, Nevada, Oregon, Washington, Idaho, Montana, Wyoming
  2. Oreostemma elatum (Plumas alpine aster) — Sierra Nevada, California [10][11]
  3. Oreostemma peirsonii (Peirson's aster) — endemic to California, in the southern Sierra Nevada.[12]


  1. ^ a b c Flann, C (ed) 2009+ Global Compositae Checklist
  2. ^ Nesom, Guy L. 1993. The genus Oreostemma (Asteraceae: Astereae). Phytologia 74(4): 305–316
  3. ^ Botanic Garden and Botanical Museum Berlin-Dahlem. "Details for: Astereae". Euro+Med PlantBase. Freie Universität Berlin. Retrieved 2009-07-18.
  4. ^ UniProt. "Tribe Astereae". Retrieved 2009-07-18.
  5. ^ National Herbarium of New South Wales. "Genus Kippistia". New South Wales FloraOnline. Royal Botanic Gardens, Sydney. Retrieved 2009-07-18.
  6. ^ "Polyarrhena Cass". African Plants Database. South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica. Retrieved 2009-07-18.
  7. ^ Cronquist, A. 1948. A revision of the Oreastrum group of Aster. Leaflets of Western Botany 5: 73–82.
  8. ^ Nesom, G. L. 1993. The genus Oreostemma (Asteraceae: Astereae). Phytologia 74: 305–316.
  9. ^ Biota of North America Program 2013 county distribution maps
  10. ^ Calflora database: Oreostemma elatum
  11. ^ Jepson: Oreostemma elatum
  12. ^ Jepson: Oreostemma peirsonii

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