Aphyllon purpureum (A. Heller) Holub
Publication: Preslia 70(2): 100. 1998.
Orobanche porphyrantha Beck
Orobanche sedii (Suksd.) Fernald
Orobanche uniflora L. ssp. occidentalis (Greene) Abrams ex Ferris [JPM]
Orobanche uniflora L. var. minuta (Suksd.) Beck [HC, JPM]
Orobanche uniflora L. var. occidentalis (Greene) Roy L. Taylor & MacBryde [VPBC2, JPM]
Orobanche uniflora L. var. purpurea (A. Heller) Achey [HC, VPBC2]
Orobanche uniflora L. var. sedi (Suksd.) Achey [JPM]