Adoxaceae or Viburnaceae: The Muskroot Family: Note: This family is referred to as the Adoxaceae in Washington and Viburnaceae in Oregon.
Elderberries: The Genus Sambucus - Corolla saucer-shaped or disk-shaped. Leaves with pinnately compound blades.
Viburnums: The Genus Viburnum - Corolla saucer-shaped or disk-shaped. Leaves with simple, pinnately-veined blades.
Caprifoliaceae: The Honeysuckle Family -
Honeysuckles: The Genus Lonicera - Corolla long and tubular or shorter and bell-shaped, with the tube and lobes generally irregular.
Snowberries: The Genus Symphoricarpos - Corolla bells-shaped and regular, the tube and lobes all uniform in appearance.
Linnaeaceae: The Twinflower Family -
Longtube Twinflower, Twin Flower, Western Twinflower: Linnaea borealis var. longiflora (Synonyms: Linnaea americana, Linnaea borealis ssp. americana, Linnaea borealis var. americana, Linnaea borealis ssp. longiflora, Linnaea longiflora) - Small perennial shrubby-herb, ground cover with small, shiny, oval leaves and flower stalks that split to have 2 small, pink, funnel-shaped flowers hanging down. Flowers are reminiscent of an old, double street lamp in appearance.