3B. Plants of the foothills and mountains, from 2000' to 7000 feet in elevation. Native plants...............Go to 4.
4A. Cascade Mountain Ash: 7 to 11 leaflets. Leaflets wider and rounder in shape. Leaflets toothed less than 2/3 of length. Fruit clusters of red berries (pomes) with a duller blueish cast.
4B. Sitka Mountain Ash: 9 to 13 leaflets. Leaflets narrower and more pointed at both ends (especially at tip). Leaflets often finely toothed more than 2/3 length. Fruit is clusters of bright, shiny orange to scarlet berries (pomes).