Stenanthium frigidum:

Stenanthium frigidum (Schltdl. & Cham.) Kunth.
Bot. syn.: Anticlea frigida (Schltdl. & Cham.) Zoml. & Judd., Asagraea frigida (Schltdl. & Cham.) Lyons, Stenanthella frigida (Schltdl. & Cham.) R. R. Gates, Veratrum frigidum Schltdl. & Cham., Zigadenus frigidus (Schltdl. & Cham.) D. Don.

I have no articles for this botanical term, but there might be some for the next level down (if found).