The door was plastered with biohazard symbol and warning: CAUTION BIOHAZARD DO NOT ENTER WITHOUT WEARING VENTILATED SUIT The international symbol for biohazard, which is pasted on doors at USAMRIID whenever they open through a major transition of zones, is a red trefoil that reminds me of a red trillium, or toadshade.

Earliest is the red trillium, which is found in the rich wet deciduous woods.

The forest floor here is a carpet of epimedium, red trillium, bloodroot, Dutchman's-breeches, bleeding heart and fiddleheads.

I veered off the main trail onto a smaller path that plunged almost immediately into seas of wildflowers - white and red trillium and Virginia bluebells, forget-me-nots, pink and fuchsia primrose, pink and blue hepatica, Dutchman's-breeches, anemones, hellebore, may apple and pussytoes.

Trillium erectum, also known as wake-robin, red trillium, purple trillium, Beth root, or stinking Benjamin, is a species of flowering plant native to the east and north-east of North America.

Trillium stamineum (red trillium) is a plant in the trillium family, Melanthiaceae.

Flora includes spring wildflowers such as red trillium, trout lily, white baneberry, and wild ginger.

At the Daniel Smiley Research Center of the Mohonk Preserve, researchers have been studying a stand of red trillium for several years to determine the deer's effects.