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88 herb-paris, false hellebores, trilliums and allies species
Trillium gracile
Paris verticillata
Trillium tennesseense
Trillium delicatum
Veratrum oxysepalum
Trillium angustipetalum
Paris quadrifolia
Trillium viride
Trillium viridescens
Toxicoscordion brevibracteatum
Trillium underwoodii
Trillium lancifolium
Trillium simile
Trillium rugelii
Heloniopsis orientalis
Stenanthium diffusum
Trillium ludovicianum
Trillium maculatum
Trillium oostingii
Zigadenus glaberrimus
Trillium vaseyi
Stenanthium densum
Anticlea mogollonensis
Anticlea virescens
Schoenocaulon ghiesbreghtii
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