Valerianaceae, the Valerian Family
Herbs with opposite leaves and small nearly or quite regular flowers; petals 5, united; stamens 3; sepals minute or wanting; ovary inferior.
| 1a. Stem-leaves pinnately cleft (3-10 dm. high; flowers white or pinkish, summer) — 2. | |
| 1b. Stem-leaves entire or dentate (2-6 dm. high; flowers white, summer) (Corn Salad) — 3. | |
| 2a. Leaf-segments parallel-veined Valerian, Valeriana edulis. | |
| 2b. Leaf-segments net-veined | Swamp Valerian, Valeriana uliginosa. |
| 3a. Upper stem-leaves entire | Corn Salad, Valerianella chenopodifolia. |
| 3b. Upper stem-leaves dentate | Corn Salad, Valerianella radiata. |