Aphyllon ludovicianum (Nutt.) A. Gray
Publication: Bot. California [W.H.Brewer] 1. 585. 1876.
Aphyllon arenosum Suksd.
Conopholis ludoviciana (Nutt.) Alph. Wood
Myzorrhiza ludoviciana (Nutt.) Rydb.
Orobanche ludoviciana Nutt. [HC]
Orobanche ludoviciana Nutt. ssp. ludoviciana [IFBC]
Orobanche ludoviciana Nutt. var. arenosa (Suksd.) Cronquist
Orobanche ludoviciana Nutt. var. genuina Beck
Orobanche multiflora Nutt. var. arenosa (Suksd.) Munz