Gray's Broomrape: Orobanche californica ssp. grayana (Synonyms: Orobanche californica var. grayana, Orobanche grayana, Orobanche grayana var. grayana) -
Clustered Broomrape: Orobanche fasciculata (Synonyms: Anoplanthus fasciculatus, Aphyllon fasciculatum, Orobanche fasciculata var. fasciculata, Orobanche fasciculata var. franciscana, Orobanche fasciculata var. lutea, Orobanche fasciculata var. lutea, Orobanche fasciculata var. subulata, Orobanche fasciculata var. typica, Thalesia fasciculata, Thalesia lutea) -
Louisiana Broomrape, Sand-dune Broomrape, Suksdorf's Broomrape: Orobanche ludoviciana ssp. ludoviciana (Synonyms: Orobanche ludoviciana, Orobanche ludoviciana var. arenosa, Orobanche multiflora, Orobanche multiflora var. arenosa) -
Clover Broomrape, Hellroot: Orobanche minor (Synonym: Orobanche columbiana) -
Conifer Broomrape, Ocean Spray Broomrape, Pine Broomrape, Pinewoods Broomrape: Orobanche pinorum (Synonyms: Aphyllon pinorum, Myzorrhiza pinorum, Phelipaea pinorum) -
Naked Broomrape, One-flowered Broomrape, Purple Broomrape: Orobanche uniflora (Synonyms: Aphyllon uniflorum, Orobanche porpyrantha, Orobanche purpurea, Orobanche sedii, Orobanche terrae-novae, Orobanche uniflora ssp. occidentalis, Orobanche uniflora var. minuta, Orobanche uniflora var. occidentalis, Orobanche uniflora var. purpurea, Orobanche uniflora var. sedi, Orobanche uniflora var. sedii, Orobanche uniflora var. terrae-novae, Orobanche uniflora var. typica, Thalesia uniflora) -