California Broomrape, Gray's Broomrape: Aphyllon californicum ssp. grayanum (Synonyms: Orobanche californica ssp. grayana, Orobanche californica var. grayana, Orobanche grayana, Orobanche grayana var. grayana) -
Clustered Broomrape: Aphyhllon franciscanum (Synonym: Orobanche fasciculata var. franciscana) - Like Aphyllon fasciculatm but parasitic upon Eriogonum sp., Eriophyllum lanatum, Phacelia sp. and others but not on Artemisia sp.
Pinewoods Broom-rape, Pine Broomrape: Aphyllon pinorum (Synonyms: Myzorrhiza pinorum, Orobanche pinorum, Phelipaea pinorum) -
Naked Broomrape, One-flowered Broomrape, Purple Broomrape: Aphyllon purpureum (Synonyms: Aphyllon uniflorum, Orobanche porpyrantha, Orobanche purpurea, Orobanche sedii, Orobanche terrae-novae, Orobanche uniflora,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) -
Paintbrushes: The Genus Castilleja in Mt. Adams Country
Yakima Bird's-beak: Cordylanthus capitatus
Owl-clovers: The Genus Orthocarpus in Mt. Adams Country
Louseworts: The Genus Pedicularis in Mt. Adams Country
