Aase's onion Allium aaseae | American wood sage Teucrium canadense var. occidentale | Annual salt buckwheat Eriogonum salicornioides | Bacigalupi's downingia Downingia backgalupii |
Barren milkvetch Astragalus sterilis | Bruneau River prickly-phlox Leptodactylon glabrum | Buxbaum's sedge Carex buxbaumii | Calcareous buckwheat Eriogonum ochrocephalum var. calcareum |
Chatterbox orchid Epipactis gigantea | Cowpie buckwheat Eriogonum shockleyi | Cronquist's stickseed Hackelia cronquistii | Cusick's camas Camassia cusickii |
Cusick's false yarrow Chaenactis cusickii | Davis peppergrass Lepidium davisii | Desert pincusion Chaenactis steviodes | Dimeresia Dimeresia howellii |
Eatonella Eatonella nivea | Fringed waterplantain Machaerocarpus californicus | Greeley's wavewing Cymopterus acaulis var. greeleyorum | Hall's rush Juncus hallii |
Inch-high lupine Lupinus uncialis | Indian Valley sedge Carex aboriginum | Janish's penstemon Penstemon janishiae | King's desertgrass Blepharidachne kingii |
Least phacelia Phacelia minutissima | Malheur cryptantha Cryptantha propria | Malheur princesplume or Biennial princesplume Stanleya confertiflora | Malheur yellow phacelia Phacelia lutea var. calva |
Mourning milkvetch Astragalus atratus var. inseptus | Mulford's milkvetch Astragalus mulfordiae | Osgood Mountains milkvetch Astragalus yoder-williamsii | Owyhee clover Trifolium owyheense |
Packard's lomatium Lomatium packardiae | Packard's milkvetch Astragalus cusickii var. packardiae | Prostrate ceanothus Ceanothus prostratus | Rabbitbrush goldenweed Haplopappus bloomeri var. bloomeri |
Rattlesnake stickweed, Owyhee forget-me-not Hackelia ophiobia | Rigid threadbush Nemacladus rigidus | Simpson's hedgehog cactus Pediocactus simpsonii var. robustior | Slickspot peppergrass Lepidium papilliferum |
Smooth mentzelia or Smooth stickleaf Mentzelia mollis | Snake Canyon milkvetch Astragalus vallaris | Snake River goldenweed Haplopappus radiatus | Snake River milkvetch Astragalus purshii var. ophiogenes |
Spine-noded milkvetch Peteria thompsoniae | Spreading gilia Gilia polycladon | Squaw apple Peraphyllum ramosissimum | Stiff milkvetch or Basalt milkvetch Astragulus conjunctus |
Stylocline Stylocline filaginea | Turtleback Psathyrotes annua | Ute ladies'-tresses Spiranthes diluvialis | White-margined wax plant Glyptopleura marginata |
Wilcox's primrose Primula "wilcoxiana" | Woven-spore lichen Texosporium sancti-jacobi | | |