Willamette Daisy
Willamette Daisy is recognizable by a low perennial daisy with pale purple rays, yellow disks, and narrow grasslike leaves.

Artwork inspired by Amanda Snyder
It occurs in wet and upland prairie and oak savanna of the Willamette Valley; combine anatomy, season, and habitat because a name or single photograph is not enough when related species overlap. Endangered; habitat loss, weeds, and altered fire remain threats.
Photograph in place and protect coordinates. June–July flowering in remnant prairie. low perennial daisy with pale purple rays, yellow disks, and narrow grasslike leaves.
- Primary range
- Oregon
- Habitat
- wet
- Status
- Endangered
Quick guide
- Search seasonally
- Look during early-summer flowering.
- Check leaves
- Narrow leaves help separate it from garden asters.
Observe Willamette Daisy on its terms
- Whole plant
- Low perennial daisy with pale purple rays, yellow disks, and narrow grasslike leaves.
- Close feature
- Wet and upland prairie and oak savanna of the Willamette Valley.
- Place and season
- Use the June–July flowering period and narrow grasslike leaves to distinguish it within remnant prairie.
- Leave it rooted
- Record in place and protect coordinates.
Good to know
Endangered; habitat loss, weeds, and altered fire remain threats. Protect Willamette Daisy by observing a low perennial daisy with pale purple rays, yellow disks, and narrow grasslike leaves from durable ground, leaving wet and upland prairie and oak savanna of the Willamette Valley undisturbed, and sharing sensitive coordinates only with conservation staff.
Notice these
- A low perennial daisy with pale purple rays, yellow disks, and narrow grasslike leaves
- wet and upland prairie and oak savanna of the Willamette Valley
- June–July flowering in remnant prairie