Rob Tilley / Western white trillium (Trillium ovatum) in flower, Washington, USA, March
01149735
Michael Hutchinson / Coast Trillium {Trillium ovatum} flowering on forest floor beneath Coast Giant redwood trees {Sequoia sempervirens} Lady Bird Johnson Grove, California, USA
00591666
Jaymi Heimbuch / Pacific Trillium (Trillium ovatum) flower, Big Creek Park, Newport, Oregon
00442512
Michael Durham / Pacific Trillium (Trillium ovatum) blooming in early spring, Oregon
00442511
Michael Durham / Pacific Trillium (Trillium ovatum) flower cross section showing the long stem, subterranean bulb and roots, Oregon
00420202
Kevin Schafer / Pacific Trillium (Trillium ovatum) flower, Oregon
01338003
Visuals Unlimited / Pacific Trillium (Trillium ovatum), Oregon, USA.
01330976
Visuals Unlimited / Western Trillium (Trillium ovatum) Kruse Reserve, Salt Point State Park, California, USA.
01303288
Visuals Unlimited / Western Trillium (Trillium ovatum) Liliaceae, Western North America.
00591665
Jaymi Heimbuch / Pacific Trillium (Trillium ovatum) flower, Big Creek Park, Newport, Oregon