Synonyms
Helonias angustifolia Nutt.
Melanthium nuttallii (A.Gray) D.Dietr.
Amianthium nuttallii A.Gray
Leimanthium nuttallii (A.Gray) Hook.
Toxicoscordion texense Rydb.
Zigadenus nuttallii (A.Gray) S.Watson
Anticlea nuttallii (A.Gray) Torr.
Zigadenus texensis (Rydb.) J.F.Macbr.