| PR | orchid of boggy or wet lands of north central United States having racemes of very fragrant creamy or greenish white flowers |
|---|---|
| PR | widely distributed between the Mississippi and the Rockies |
| PR | widely distributed between the Mississippi and the Rockies |
| PR | any of several western American plants of the genus Cheiranthus having large yellow flowers |
| PR | any of several North American plants of the genus Erysimum having large yellow flowers |
| PR | perennial cottony-white herb of southwestern United States |
| PR | silky-leaved aromatic perennial of dry northern parts of the northern hemisphere |
| PR | a large wagon with broad wheels and an arched canvas top |
| PR | North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits |
| PR | a type of soil occurring under grasses in temperate climates |
| PR | plant with mostly basal leaves and slender open racemes of white or pale pink flowers |
| PR | a Midwest state in north-central United States |