Asteraceae
Erigeron filifolius

Threadleaf Fleabane

Tall, erect. Stems with multiple branches often form large clumps. Leaves 1–3 in., narrow, mostly basal, few on stems smaller, covered with white upcurved hairs. Flower heads solitary to numerous, 1/3 in. wide, rays 15–125 white, blue, or pink with yellow disk flowers. Found in many habitats, grassy open sites, rock or sandy soils, below 6000 ft. The common var. filifolius has thread-like leaves, numerous flower heads on a stem, each with 15–75 rays. More sturdy var. robustior has solitary flower head topping stem, widespread east of Cascade Mountains.

  • Rarity: Locally Common
  • Flowering Time: Late Spring, Early Summer
  • Life Cycle: Perennial
  • Height: 8--40 inches
  • Habitat: Meadow, Shrub-Steppe
  • Found In: Steens, East Gorge, West Gorge, N Cascades NP
  • Native: Yes