Plants Believed to be Extirpated from Idaho

Arctic Poppy (Papaver radicatum var. kluanense = Papaver kluanenese)
Beethistle (Eryngium articulatum)
Bolander's Rush (Juncus bolanderi)
Highbush Cranberry (Viburnum opulus var. americanum)
Leiberg's water-lily (Nymphaea leibergii)
Piper's Milkvetch (Astragalus riparius)