Erect, stout stem coated with glands. Leaves with petioles 2–12 in. tall, with conspicuous, toothed, leaf-like stipules. Leaf blades to 8 in. across, lobed halfway to base, lobes with straight sides, entire or toothed. Flower head dense, more or less flat-topped. Flower petals white, about 1/5–1/4 in. across, broadly oval to round. Grows in shaded areas, moist meadows, banks.
- Rarity: Locally Common
- Flowering Time: All Summer
- Life Cycle: Perennial
- Height: 12--36 inches
- Habitat: Meadow, Moist Riverbanks
- Found In: Crater Lake Np, Siskiyous, Olympic Np
- Native: Yes