SimplePlant

Rosaceae

Greene's mountain ash

Sorbus scopulina Greene

Family
Rosaceae
Genus
Sorbus

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Greene's mountain ash: The native Sorbus scopulina differs from the introduced and escaped Sorbus aucuparia in having 13 or fewer leaflets per leaf, more reddish fruits, less shiny ba
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (2)
English
Greene's mountain ash, Cascade mountain ash, Cascade mountain-ash, Greene's mountain-ash
Icelandic
Klettareynir

Synonyms

  • Pyrus andersonii (G.N.Jones) M.F.Fay & Christenh.
  • Pyrus cascadensis (G.N.Jones) M.F.Fay & Christenh.
  • Pyrus scopulina (Greene) M.F.Fay & Christenh.
  • Pyrus scopulina (Greene) Longyear
  • Sorbus alaskana G.N.Jones
  • Sorbus andersonii G.N.Jones
  • Sorbus angustifolia Rydb.
  • Sorbus cascadensis G.N.Jones
  • Sorbus dumosa Greene
  • Sorbus scopulina var. cascadensis (G.N.Jones) C.L.Hitchc.
  • Sorbus scopulina var. scopulina
  • Sorbus sitchensis subsp. densa (Jeps.) A.E.Murray
  • Sorbus sitchensis var. densa Jeps.

Flowers

Flower colour
white (USDA PLANTS Database)

Characteristics

Growth habit
Shrub, Tree
Lifespan
Perennial
In the US and Canada
Alaska: native, Canada: native, Lower 48 states: native

Photos

More in Sorbus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.