Argentina anserina

Common Silverweed

Mats of flat rosettes with runners. Basal leaves 4–8 in., pinnately divided, many larger leaflets interspersed with smaller ones. Petioles with long spreading hairs. Larger leaflets 1/2–1 1/2 in. long, oblong or lance-shaped, with rounded tips, sharply toothed, with white silky hairs on upper and lower surfaces. Flowers yellow, solitary, with leafless stalks. Grows in mudflats, back waters, meadows, edges of ponds.

  • Rarity: Locally Common
  • Flowering Time: Late Summer
  • Life Cycle: Perennial
  • Height: 3--10 inches
  • Habitat: Coastal, Meadow, Moist Riverbanks
  • Found In: Columbia Basin, Steens
  • Native: Yes