Orobanche cooperi subsp. palmeri (Munz) T.S.Collins subspecies synonym

Aphyllon ludovicianum var. cooperi A.Gray variety synonym

Aphyllon cooperi subsp. palmeri (Munz) A.C.Schneid. subspecies accepted

Myzorhiza multicaulis (Brandegee) Holub species synonym

Orobanche cooperi subsp. latiloba (Munz) L.T.Collins, 2015 subspecies synonym

Orobanche cooperi subsp. palmeri (Munz) L.T.Collins, 2015 subspecies synonym

Myzorhiza cooperi (A.Gray) Rydb. species synonym

Orobanche ludoviciana var. latiloba Munz variety synonym

Orobanche ludoviciana var. cooperi (A.Gray) Beck variety synonym

Myzorrhiza multicaulis (Brandegee) Holub species synonym

Myzorrhiza cooperi (A.Gray) Rydb. species synonym

Orobanche multicaulis Brandegee species synonym

Orobanche multicaulis var. genuina Munz variety synonym

Orobanche cooperi (A.Gray) A.Heller species synonym

Orobanche cooperi subsp. latiloba (Munz) T.S.Collins subspecies synonym

Aphyllon cooperi subsp. latilobum (Munz) A.C.Schneid. subspecies synonym

Aphyllon cooperi subsp. cooperi subspecies accepted

Orobanche multicaulis var. palmeri Munz variety synonym

Orobanche multicaulis subsp. palmeri (Munz) Collins subspecies synonym

Orobanche multicaulis subsp. multicaulis subspecies synonym

Orobanche multicaulis var. multicaulis variety doubtful