Owyhee County

    Angelica kingii                 Nevada Angelica
    Astragalus conjunctus           Stiff Milkvetch
    Astragalus mulfordiae           Mulford's Milkvetch
    Astragalus newberryi var.       Newberry's Milkvetch
      castoreus
    Astragalus purshii var.         Snake River Milkvetch
      ophiogenes
    Astragalus sterilis             Barren Milkvetch
    Astragalus tetrapterus          Four-wing Milkvetch
    Astragalus yoder-williamsii     Mud Flat Milkvetch
    Blepharidachne kingii           King's Desertgrass
    Camissonia pterosperma          Winged-seed Evening Primrose
    Carex tumulicola                Foothill Sedge
    Catapyrenium congestum
    Chaenactis cusickii             Cusick's False Yarrow
    Chaenactis stevioides           Desert Pincushion
    Cleomella plocasperma           Alkali Cleomella
    Coryphantha vivipara            Cushion Cactus
    Cymopterus acaulis var.         Greeley's Wavewing
      greeleyorum
    Cyperus bipartitus              Shining Flatsedge
    Damasonium californicum         Fringed Waterplantain
    Dimeresia howellii              Dimeresia
    Downingia bacigalupii           Bacigalupi's Downingia
    Downingia insignis              Downingia
    Eatonella nivea                 White Eatonella
    Epipactis gigantea              Giant Helleborine
    Eriogonum shockleyi var.        Packard's Buckwheat
      packardiae
    Eriogonum shockleyi var.        Matted Cowpie Buckwheat
      shockleyi
    Glyptopleura marginata          White-margined Wax Plant
    Hackelia ophiobia               Rattlesnake Stickseed
    Haplopappus uniflorus var.      One-flowered Goldenweed
      howellii
    Ipomopsis polycladon            Spreading Gilia
    Lepidium davisii                Davis' Peppergrass
    Lepidium papilliferum           Slick Spot Peppergrass
    Leptodactylon glabrum           Bruneau River Prickly Phlox
    Lomatium packardiae             Packard's Desert-parsley
    Lupinus uncialis                Inch-high Lupine
    Mentzelia mollis                Smooth Stickleaf
    Nemacladus rigidus              Rigid Threadbush
    Pediocactus simpsonii           Simpson's Hedgehog Cactus
    Penstemon janishiae             Janish's Penstemon
    Peteria thompsoniae             Spine-noded Milkvetch
    Phacelia lutea var. calva       Malheur Yellow Phacelia
    Phacelia minutissima            Least Phacelia
    Polystichum kruckebergii        Kruckeberg's Sword-fern
    Psathyrotes annua               Annual Brittlebrush
    Stanleya confertiflora          Biennial Princesplume
    Teucrium canadense var.         American Wood Sage
      occidentale
    Trifolium owyheense             Owyhee Clover