Orobanche californica | California Broomrape, Jepson's broomrape | Orobanchaceae | | 2 | 1 |
Orobanche fasciculata | Cancer Root, Clustered broomrape | Orobanchaceae | | 1 | 2 |
Orobanche ludoviciana | Broomrape, Louisiana broomrape | Orobanchaceae | Homotypic Synonyms: Aphyllon ludovicianum (Nutt.) A.Gray. Conopholis ludoviciana (Nutt.) A.Wood. Myzorrhiza ludoviciana (Nutt.) Rydb. O. ludoviciana var. genuina Beck. Phelypaea ludoviciana (Nutt.) G.Don. | 1 | 1 |
Orobanche minor | Lesser Broomrape, Hellroot | Orobanchaceae | | 0 | 0 |
Orobanche tuberosa | Ground Cone | Orobanchaceae | Boschniakia hookeri. Walp. | 1 | 1 |