Stenanthium gramineum Kunth, 1843 species doubtful

Helonias graminea Ker Gawl. species heterotypic synonym

Helonias graminea KerGawl. species synonym

Stenanthium tennesseense Sorrie & Weakley species accepted

Stenanthium texanum (Bush) Sorrie & Weakley species accepted

Stenanthium macrum Sorrie & Weakley species synonym

Stenanthium gramineum var. robustum (S.Watson) Fernald variety synonym

Stenanthium gramineum var. gramineum variety synonym

Melanthium densum Desr. species synonym

Xerophyllum gramineum (Ker Gawl.) Nutt. species synonym

Helonias angustifolia Michx. species heterotypic synonym

Zygadenus leimanthoides A.Gray species synonym

Zygadenus angustifolius S.Watson species synonym

Oceanorus leimanthoides (A.Gray) Small species synonym

Stenanthium densum (Desr.) Zomlefer & Judd species accepted

Zigadenus leimanthoides (A.Gray) A.Gray species synonym

Tracyanthus angustifolius var. texanus Bush variety synonym

Tracyanthus angustifolius (Michx.) Small species synonym

Zigadenus densus (Desr.) Fernald species synonym

Tracyanthus texanus (Bush) Small species synonym

Amianthium leimanthoides A.Gray species synonym

Stenanthium leimanthoides (A.Gray) Zomlefer & Judd species accepted

Amianthium angustifolium (Michx.) A.Gray species synonym

Oceanoros leimanthoides (A.Gray) Small species synonym

Zigadenus angustifolius (Michx.) S.Watson species synonym

Crosperma angustifolia (Michx.) Raf. species synonym

Helonias graminea Elliott species heterotypic synonym

Amianthium texanum (Bush) R.R.Gates species synonym

Stenanthium gramineum (Ker Gawl.) Morong species accepted

Stenanthium gramineum var. typicum Fernald variety synonym

Stenanthium gramineum f. robustum (S.Watson) E.J.Palmer & Steyerm. form synonym

Stenanthium angustifolium (Pursh) Kunth species synonym

Veratrum angustifolium Pursh species synonym

Anepsa graminifolia Raf. species synonym

Stenanthium gramineum var. micranthum Fernald variety synonym

Stenanthium robustum S.Watson species synonym

Anepsa carinata Raf. species synonym

Anepsa spicata Raf. species synonym

Stenanthium diffusum Wofford species accepted

Helonias graminea (Ker-Gawl.), 1813 species heterotypic synonym

Amiantanthus leimanthoides (A.Gray) Kunth species synonym