Vascular plant without significant woody tissue above or at the ground. Forbs and herbs may be annual, biennial, or perennial but always lack significant thickening by secondary woody growth and have perennating buds borne at or below the ground surface.

1. Alismataceae – Alisma Family
2. Amaryllidaceae – Amaryllis Family
3. Asparagaceae – Asparagus Family
4. Iridaceae – Iris Family
5. Melanthiaceae – Death Camas
6. Orchidaceae – Orchid Family