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CHECKLIST OF OF THE SHIVWITS PLATEAU PORTION OF NATIONAL RECREATION AREA Updated July 2003

INTRODUCTION This list contains the species of plants recorded from and collected on the Shivwits Plateau portion of Lake Mead National Recreation Area and Parashant National Monument. The Shivwits Plateau portion of Lake Mead National Recreation Area contains these geographical areas: Whitmore Point, portions of Andrus and Parashant Canyons, Paws Pocket area, Kelly Point, Suicide Point, Twin Point, Burnt Canyon Point, and Mt. Dellenbaugh area. The format for this list is scientific name in italics; common name in bold; life form; abundance, habitat, and/or area where collected. Alien and rare species are so noted. Life forms used are annual, biennial, perennial herb, perennial vine, perennial, , and . Abundance is noted as common, occasional, uncommon, or rare. Common means species is often encountered in proper habitat, occasional means that species may be found in proper habitat, uncommon means that species is not often encountered in proper habitat, and rare means that there are only a few occurrences of this species within Lake Mead NRA.

FERNS AND FERN ALLIES

EQUISETACEAE - Horsetail Family ___Equisetum hyemale ssp. affine Common scouringrush Perennial. Rare. Whitmore Canyon.

DRYOPTERIDACEAE- Wood fern family ___Woodsia oregana woodsia Perennial. Rare. Cliffs, sagebrush, pinyon-, ponderosa .

PTERIDACEAE- Brake family ___Cheilanthes feei Fee’s lipfern Perennial. Crevices, limestone, sagebrush, pinyon-juniper woodland, ponderosa pine. ___Cheilanthes parryii (=Notholaena parryii) Parry’s cloakfern Perennial. Crevices, rocky places, desert shrub. ___Notholaena sinuata var. cochisensis (=N. cochisensis) Cloakfern Perennial. Rocky places at lower elevation. ___Pellaea limitanea Border cloakfern Perennial. Uncommon. Sandstone Canyon. ___Pellaea truncata Spiny cliffbrake Perennial. Rocky places, pinyon-juniper, ponderosa pine.

GYMNOSPERMS

CUPRESSACEAE- Cypress family ___Juniperus monosperma One seed juniper Tree. Uncommon. Pinyon-juniper woodland. ___Juniperus osteosperma juniper Tree. Common. Co-dominant of pinyon-juniper woodland.

PINACEAE- Pine family ___Pinus edulis Two- pinyon pine Tree. Common. Occasional in pinyon-juniper woodland. ___Pinus monophylla One-leaf pinyon pine Tree. Common. Co-dominant of pinyon-juniper woodland. ___Pinus ponderosa Ponderosa pine Tree. Common. Dominant of ponderosa pine woodland.

EPHEDRACEAE- Ephedra family ___Ephedra fasciculata Mohave ephedra Shrub. Uncommon. ___Ephedra nevadensis ephedra Shrub. Occasional. ___Ephedra torreyana Torrey ephedra Shrub. Common. ___Ephedra trifurca Longleaf ephedra Shrub. Uncommon. ___Ephedra viridis Green ephedra Shrub. Occasional. Blackbrush and pinyon-juniper woodland.

ANGIOSPERMS DICOTS Plants of the Shivwits Plateau 1

ACERACEAE- Maple family ___Acer negundo Boxelder Tree. Riparian areas in limestone canyons.

AMARANTHACEAE- Amaranth family ___Amaranthus albus Tumble amaranth Annual. Occasional. ALIEN. ___Amaranthus blitoides Protrate pigweed Annual. Open sites and disturbed areas. ___Amaranthus fimbriatus Fringed amaranth Annual. Stream channels, roadsides, disturbed areas. ___Amaranthus palmeri Palmer amaranth Annual. Uncommon. ___Tidestromia oblongifolia Honeysweet Perennial herb. Creosotebush.

ANACARDIACEAE- Sumac family; Cashew family ___Rhus trilobata Skunkbush Shrub. Pinyon-juniper woodland.

APIACEAE- Carrot family ___Cymopteris multinervatus Purplenerve spring parsley Perennial herb. Paws Pocket. ___Cymopteris purpurascens Widewing spring parsley Tuberous perennial herb. Sagebrush, pinyon-juniper, ponderosa pine woodland. ___Lomatium foeniculaceum var. macdougalii Lomatium Tuberous perennial herb. Pinyon-juniper woodlands. ___Lomatium nevadense Nevada lomatium Perennial herb. ___Yabea microcarpa hedge parsley Annual. Sandstone Canyon.

APOCYNACEAE- Dogbane family ___Amsonia jonesii Jones Perennial herb. Occasional. ___Amsonia palmeri Palmers amsonia Perennial herb. Rare. ___Amsonia tomentosa Woolly amsonia Perennial herb. Blackbrush, desert shrub. ___Apocynum cannabinum (=A. sibiricum) Siberian dogbane Perennial herb. Canyons, streambanks, roadsides.

ASCLEPIADACEAE- Milkweed family ___Asclepias asperula Spider milkweed Perennial herb. Desert shrub to ponderosa pine. ___Asclepias subverticillata Whorled milkweed Perennial herb. Occasional. Roadsides and disturbed sites. ___Matelea producta Anglepod Perennial vine. Rare. ___Sarcostemma cynanchoides Climbing milkweed Perennial vine. Rare.

ASTERACEAE- Sunflower family ___Acourtia (=Perezia) wrightii Wrights perezia Perennial herb. Pinyon-juniper woodland. ___Agoseris glauca Mountain dandelion Perennial herb. Gambles oak woodland, meadows. ___Ambrosia acanthicarpa Sand bursage Annual. Sandy soils, Whitmore wash. ___Ambrosia confertiflora Mexican ragweed Perennial herb. Uncommon. ___Ambrosia psilostachya Western ragweed Annual. Wash gravels in Whitmore Canyon. ___Artemisia bigelovii Flat sagebrush Shrub. Uncommon, west of Mt. Dellenbaugh fire camp. ___Artemisia dracunculus Dragon sagewort Perennial herb. Uncommon. ___Artemisia filifolia Sand sagebrush Shrub. Whitmore canyon. ___Artemisia frigida Fringed sagebrush Shrub. Sagebrush, pinyon-juniper, ponderosa pine. ___Artemisia ludoviciana ssp. albula Western mugwort Perennial herb. Whitmore Canyon. ___Artemisia ludoviciana ssp. sulcata Western mugwort Perennial herb. Whitmore Canyon. ___Artemisia tridentata Big sagebrush Shrub. Common. Sagebrush dominant. ___Aster ascendens Eatons aster Perennial herb. Sagebrush association. ___Baccharis sergiloides Desert baccharis Shrub. Occasional. ___Baileya multiradiata Desert marigold Perennial herb. Roadsides and washes. ___Bebbia juncea var. aspera Sweetbush Shrub. Common. ___Brickellia atractyloides Spiny brickellbush Shrub. Occasional. ___Brickellia californica California brickellbush Shrub. Green Spring Canyon. ___Brickellia longifolia Willowleaf brickellbush Shrub. Whitmore Canyon, plateau rim. ___Brickellia microphylla Rough brickellbush Shrub. Rare. ___Chaenactis douglasii Douglas pincushion Annual. Sagebrush. ___Chaenactis macrantha Mojave pincushion Annual. Occasional. ___Chaenactis stevioides Desert pincushion Annual. Common. ___Chaetopappa (=Leucelene) ericoides Rose heath Perennial herb. Sagebrush in limestone. ___Chrysopsis villosa Golden aster Perennial herb. Uncommon. Whitmore Canyon. ___Chrysothamnus depressus Dwarf rabbitbrush. Shrub. Sagebrush. ___Chrysothamnus greenei Greenes rabbitbrush Shrub. Rare. ___Chrysothamnus nauseosus Rubber rabbitbrush Shrub. Washes and meadows, sagebrush. ___Chrysothamnus paniculatus Mohave rabbitbrush Shrub. Riparian. Whitmore canyon. ___Chrysothamnus vicidiflorus Sticky rabbitbrush Shrub. Whitmore canyon. ___Cirsium arizonicum thistle Biennial. Clay soils in sagebrush. ___Cirsium calcareum (=C. pulchellum) Thistle Biennial. Uncommon. Twin Point turnoff. ___Cirsium neomexicanum New thistle Biennial. Washes, moist places. Plants of the Shivwits Plateau 2 ___Conyza canadensis Horseweed Annual. Moist disturbed sites. ___Crepis intermedia Grays hawksbeard Perennial herb. Sagebrush and pinyon-juniper. ___Dyssodia acerosa Dogweed Perennial herb. Blackbrush. Whitmore Canyon. ___Encelia farinosa Brittlebush Shrub. Common. ___Encelia frutescens Bush encelia Shrub. Sand, washes. Whitmore Canyon. ___Ericameria laricifolia (=Haplopappus laricifolia) Turpentine brush Shrub. Uncommon. ___Ericameria linearifolia (=Haplopappus linearifolia) Mohave goldenbush Shrub. Occasional. ___Erigeron divergens Spreading fleabane Perennial herb. Riparian, sagebrush, ponderosa pine. ___Erigeron engelmannii Engelmanns daisy Perennial herb. ___Erigeron flagellaris Gray Trailing daisy Biennial or Perennial herb. Uncommon. Sagebrush and pinyon juniper. Green Spring. ___Erigeron lobatus Lobeleaf fleabane Annual. Uncommon. ___Erigeron pumilus Hairy fleabane Perennial herb. Sagebrush. ___Erigeron utahensis Utah fleabane Perennial herb. Pinyon-juniper. ___Filago californica Fluffweed Annual. Uncommon. ___Gaillardia pinnatifida Hopi blanketflower Perennial herb. Sagebrush, Whitmore Canyon. ___Gutierrezia microcephala Matchweed Shrub. Blackbrush, sagebrush, pinyon-juniper. ___Gutierrezia sarothrae Snakeweed Shrub. Disturbed sites sagebrush, pinyon-juniper. ___Helianthus annuus Common sunflower Annual. Sagebrush, pinyon-juniper woodland, ponderosa pine woodland. ___Helianthus ciliaris Blueweed Perennial herb. Mt. Dellenbaugh fire camp. ALIEN. ___Heliomeris multiflora var. nevadensis (=Viguiera multiflora) Showy goldeneye Perennial herb. Ponderosa pine woodland. ___Heliopsis parvifolia Mountain oxeye Perennial herb. Rare. ___Hesperodoria salicina (=Haplopappus salicina) Willow glowweed Shrub. Rare. ___Hesperodoria scopulorum (=Haplopappus scopulorum) Spiny goldenbush Shrub. Uncommon. ___Hymenopappus filifolius var. lugens Cutleaf Perennial herb. Ponderosa pine. Mt. Dellenbaugh fire camp. ___Hymenoxys acaulis Stemless woollybase Perennial herb. Pinyon-juniper. ___Hymenoxys cooperi Cooper goldflower Biennial. Pinyon-juniper. ___Iva axillaris Poverty weed Perennial herb. Moist, disturbed places. ___Lactuca serriola Prickly lettuce Annual. ALIEN ___Layia glandulosa White layia Annual. Uncommon. ___Lepidospartum latisquamum Nevada broomshrub Shrub. Rare. Cane Spring ___Machaeranthera canescens var. canescens ( =M. tephrodes) Hoary aster Biennial. Green Spring Canyon. ___Machaeranthera gracilis (=Haplopappus gracilis) Slender goldenweed Annual. Pinyon-juniper woodland, ponderosa pine woodland. Whitmore Canyon. ___Machaeranthera pinnatifida var. gooddingii (=Haplopappus gooddingii) Spiny goldenbush Shrub. Whitmore Canyon. ___Malacothrix coulteri Snakeshead Annual. ___Malacothrix glabrata Desert dandelion Annual. Whitmore Canyon. ___Melampodium leucanthum Blackfoot daisy Perennial herb. Whitmore Canyon. ___Parthenium incanum Mariola Shrub. Rare. ___Pectis papposa Chinchweed Annual. Creosotebush shrub. ___Perityle congesta (=Laphamia congesta) Compact rockdaisy Perennial herb. Limestone outcrops. ___Perityle emoryi Rockdaisy Annual. Whitmore Canyon. ___Peucephyllum schottii Pygmy cedar Shrub. Whitmore Canyon. ___Pleurocoronis pluriseta (= pluriseta) Arrowleaf Shrub. Whitmore Canyon. ___Porophyllum gracile Odora Subshrub. Whitmore Canyon. ___Prenanthella exigua (=Lygodesmia exigua) Prenanthella Annual. Occasional. ___Psilostrophe sparsiflora Greenstem paperflower Perennial herb. Sagebrush, pinyon-juniper. ___Rafinesquia californica California chicory Annual. Uncommon. ___Rafinesquia neomexicana Desert chicory Annual. Common. ___Sanvitalia abertii Aberts sanvitalia Annual. Sagebrush, ponderosa pine. ___Senecio flaccidus var. douglasii Douglas groundsel Shrub. Washes, Whitmore canyon. ___Senecio flaccidus var. longilobus Groundsel Perennial herb. Areas of sparse vegetation. ___Senecio flaccidus var. monoensis Mono groundsel Shrub. Blackbrush, pinyon-juniper. ___Senecio multilobatus Unita groundsel Perennial herb. Sagebrush, pinyon-juniper. ___Solidago sparsiflora Alcove goldenrod Perennial herb. Pinyon-juniper, sagebrush, ponderosa pine. ___Sonchus asper ssp. asper Prickly sowthistle Annual. Mud Spring. ALIEN. ___Stephanomeria exigua Annual mitra Annual. Whitmore Canyon. ___Stephanomeria tenuifolia Slender wirelettuce Perennial herb. Uncommon. Whitmore Canyon. ___Stylocline micropoides Desert neststraw Annual. Paws Pocket. ___Taraxacum officinale Dandelion Perennial herb. Meadow north of Mt. Dellenbaugh fire camp. ALIEN. ___Thelesperma subnudum Scapose greenthread Perennial herb. Ponderosa pine, sagebrush. ___Thymophylla pentachaeta (=Dyssodia pentachaeta) Scale glandweed Low shrub. Below 38000 feet. ___Townsendia incana Silvery townsendia Perennial herb. Ponderosa pine, sagebrush. ___Tragopogon dubius Goatsbeard, Yellow salsify Perennial herb. Disturbed sites, ponderosa pine woodland. ALIEN. ___Uropappus lindleyi (=Microseris lindleyi) Silver stars, Silver puffs Annual. Whitmore Canyon. ___Verbesina encelioides var. exauriculata Golden crownbeard Annual. Occasional. Pinyon–juniper. ___Xanthium strumarium (=X. saccharatum) Cocklebur Annual. Paws Pocket. ___Xylorhiza tortifolia var. tortifolia (=Machaeranthera tortifolia) Desert aster Shrub. Cane Spring.

Plants of the Shivwits Plateau 3 BERBERIDACEAE- Barberry family ___Berberis fremontii Barberry Shrub. Mostly in pinyon-juniper woodlands.

BORAGINACEAE- family ___Amsinckia menziesii var. intermedia (=A. intermedia) Menzies fiddleneck Annual. Common. ___Amsinckia tessellata Rough fiddleneck Annual. Occasional. ___Cryptantha ambigua Wilkes fiddleneck Annual. Occasional. ___Cryptantha angustifolia Narrowleaf cryptantha Annual. Common. ___Cryptantha barbigera Bearded cryptantha Annual. Occasional. ___Cryptantha confertiflora Golden cryptantha Perennial herb. Desert shrub to ponderosa pine. ___Cryptantha decipiens Beguiling cryptantha Annual. Occasional. ___Cryptantha fendleri Fendlers cryptantha Annual. Occasional. ___Cryptantha gracilis Slender cryptantha Annual. Desert shrub to pinyon-juniper, sagebrush. ___Cryptantha holoptera (= C. inaequata) Winged cryptantha Annual. Occasional. ___Cryptantha maritima Guadalupe cryptantha Annual. Occasional. ___Cryptantha nevadensis Nevada cryptantha Annual. Occasional. ___Cryptantha pterocarya Wingnut cryptantha Annual. Common. ___Cryptantha racemosa Baja cryptantha Annual. Creosotebush and Joshua tree. ___Cryptantha recurvata Recurved cryptantha Annual. Rare. ___Cryptantha utahensis Scented cryptantha Annual. Occasional. ___Cryptantha virginensis Virgin River cryptantha Biennial or Perennial herb. Occasional. ___Lappula redowskii (=L. occidentalis) Western stickseed Annual. Sagebrush to ponderosa pine. ___Lithospermum incisum Showy stoneseed Perennial. Sagebrush to ponderosa pine. ___Pectocarya heterocarpa Unequal combseed Annual. Occasional. ___Pectocarya platycarpa Flattened combseed Annual. Common. ___Pectocarya recurvata Bent combseed Annual. Occasional. ___Plagiobothrys arizonicus Arizona popcornflower Annual. Occasional. ___Plagiobothrys jonesii Jones popcornflower Annual. Occasional. ___Plagiobothrys leptocladus Hairy popcornflower Annual. ___Tiquilia canescens Woody Perennial herb. Occasional. ___Tiquilia latior (=T. hispidissima) Matted tiquilia Perennial. Sand, desert shrub to pinyon-juniper.

BRASSICACEAE- Mustard family ___Arabis gracilipes Rockcress Perennial herb. Pinyon-juniper. ___Arabis perennans Common rockcress Perennial herb. Blackbrush, pinyon-juniper. ___Capsella bursa-pastoris Shephards purse Annual. Invader of disturbed moist habitats. ALIEN. ___Chorispora tenella Musk mustard Annual. Pinyon-juniper. ALIEN. ___Descurainia obtusa Desert tansymustard Annual. Green Spring canyon. ___Descurainia sophia Flixweed Annual. Widespread on disturbed sites. ALIEN. ___Draba cuneifolia Wedgeleaf Annual. Desert shrub to ponderosa pine. ___Erysimum capitatum Wallflower Perennial herb. Blackbrush, sagebrush, pinyon-juniper. ___Erysimum repandum Spreading wallflower Annual. Disturbed sites, sagebrush, pinyon-juniper woodland. ALIEN. ___Guillenia lasiophylla (=Thelypodium lasiophylla, Caulanthus lasiophyllus) California mustard Annual. Whitmore Canyon. ___Lepidium densiflorum Densecress Annual. Green Spring canyon. ___Lepidium fremontii Desert alyssum Shrub. Creosotebush, blackbrush. ___Lepidium lasiocarpum var. lasiocarpum Peppergrass Annual. Dansill Canyon. ___Lepidium montanum var. glabrum Mountain pepperplant Perennial herb. ___Lesquerella arizonica Arizona beadpod Perennial. Occasional. Dansill Canyon. ___Lesquerella intermedia Watsons bladderpod Perennial herb. Sagebrush to ponderosa pine. ___Sisymbrium ambiguum Showy mustard Perennial herb. Sanup and Shivwits Plateau. ___Sisymbrium irio London rocket Annual. Disturbed sites. ALIEN. ___Stanleya pinnata Princes plume Perennial. Desert shrub to pinyon-juniper. ___Streptanthella longirostris Longbeak twistflower Annual. Whitmore overlook. ___Streptanthus cordatus Twistflower Perennial. Sagebrush, pinyon-juniper. ___Thelypodium wrightii Wrights thelypody Annual. Green Spring Canyon. ___Thysanocarpus curvipes Lacepod, Fringepod Annual. Whitmore Canyon.

CACTACEAE- Cactus family ___Echinocereus engelmannii Hedgehog cactus Perennial. Desert shrub, pinyon-juniper. ___Echinocereus fasciculatus Arizona hedgehog Perennial. Weathered sandstone, lower Whitmore Canyon. ___Echinocereus triglochidiatus Claretcup Perennial. Desert shrub to pinyon-juniper. ___Escobaria (=Coryphantha) vivipara var. arizonica Arizona pincushion cactus Perennial. Desert shrub, pinyon-juniper woodland. ___Ferocactus cylindraceus (=F. acanthodes) Barrel cactus Perennial. Desert shrub, Joshua tree. ___Mammillaria tetrancistra Fishhook cactus, Pincushion cactus Perennial. Occasional. ___Opuntia acanthocarpa Buckhorn cholla Perennial. Creosotebush, Joshua tree. ___Opuntia basilaris Beavertail cactus Perennial. Desert shrub. ___Opuntia chlorotica Pancake pricklypear Perennial. Creosotebush, blackbrush. ___Opuntia echinocarpa Silver cholla Perennial. Creosotebush, blackbrush. Plants of the Shivwits Plateau 4 ___Opuntia erinacea Old man pricklypear Perennial. Desert shrub. ___Opuntia macrorhiza Plains pricklypear Perennial. Desert shrub to ponderosa pine, rd to Twin Pt. ___Opuntia phaeacantha Berry pricklypear Perennial. Desert shrub, sagebrush, pinyon-juniper. ___Opuntia polyacantha Central pricklypear Perennial. Desert shrub, pinyon-juniper, sagebrush. ___Opuntia whipplei Whipples cholla Perennial. Desert shrub to pinyon-juniper. ___Pediocactus simpsonii Simpsons footcactus Perennial. Sagebrush, pinyon-juniper.

CAMPANULACEAE - Bellflower Family ___Nemacladus glanduliferus Slender threadplant Annual. Paws Pocket.

CAPPARACEAE- Caper Family ___Polanisia dodecandra ssp. trachysperma . Clammy weed Annual. Uncommon.

CAPRIFOLIACEAE- Honeysuckle family ___Symphoricarpos longiflorus Fragrant snowberry Shrub. Desert shrub to ponderosa pine. ___Symphoricarpos rotundifolius var. parishii (= S. parishii) Mountain snowberry Shrub. Ponderosa pine woodland.

CARYOPHYLLACEAE- Pink family ___Arenaria aberans Sandwort Perennial herb. Oak and ponderosa pine. ___Arenaria fendleri Fendlers sandwort Perennial herb. Occasional. ___Arenaria macradenia Shrubby sandwort Subshrub. Creosotebush to ponderosa pine. ___Silene antirrhina Annual catchfly Annual. Whitmore Canyon.

CELASTRACEAE- Staff tree family ___Canotia holacantha Canotia Shrub. Rare. Whitmore overlook. ___Mortonia utahensis Mortonia Shrub. Creosotebush on limestone.

CHENOPODIACEAE- Goosefoot family ___Atriplex canescens Four-wing saltbush Shrub. Subsaline soils, Joshua tree to pinyon-juniper. ___Chenopodium album Lambs quarters; pigweed Annual. Disturbed habitats. ALIEN. ___Chenopodium berlandieri Berlandieris pigweed Annual. Occasional weed in waste places. ALIEN. ___Chenopodium botrys Jerusalem oak Annual. Uncommon. ALIEN. ___Chenopodium fremontii Fremonts goosefoot Annual. Paws Pocket. ___Grayia spinosa Hopsage Shrub. Blackbrush, sagebrush, pinyon-juniper. ___Krascheninnikovia lanata (=Eurotia lanata =Ceratoides lanata) Winterfat Shrub. Whitmore Canyon. ___Monolepis nuttalliana Povertyweed Annual. Blackbrush to ponderosa pine.

CONVOLVULACEAE- Morning glory family ___Convolvulus arvensis Bindweed Herbaceous perennial. Disturbed soils to 2800 m. ALIEN.

CROSSOSOMATACEAE-Crossosoma Family ___Crossosoma bigelovii Ragged rockflower Shrub. Uncommon. Whitmore Canyon. ___Glossopetalon spinescens Nevada greasewood Shrub. Mollies Nipple, Whitmore Canyon.

ELAEAGNACEAE- Oleaster family ___Shepherdia rotundifolia Roundleaf buffaloberry Shrub. Blackbrush to ponderosa pine.

ERICACEAE- Heath family ___Arctostaphylos pungens Mexican manzanita Shrub. Pinyon-juniper, live oak.

EUPHORBIACEAE- Spurge family ___Bernardia myricifolia (=B. incana) Western bernardia Shrub. Lower and Whitmore Point. ___Chamaesyce albomarginata (=Euphorbia a.) Sandmat, Rattlesnake weed Perennial herb. Creosotebush shrubland to pinyon-juniper woodland. ___Chamaesyce fendleri (=Euphorbia f.) Fendlers spurge Perennial herb. Creosotebush to ponderosa pine. ___Chamaesyce polycarpa (=Euphorbia p.) Smallseed sandmat Perennial herb. Creosotebush. ___Chamaesyce revoluta (=Euphorbia r.) Revolute spurge Annual. Creosotebush, Joshua tree. ___Chamaesyce serpyllifolia (=Euphorbia s.) Thymeleaf spurge Annual. Uncommon. ___Euphorbia brachycera Engelm. Shorthorn spurge Perennial. Occasional. ___Euphorbia incisa Mojave spurge Perennial herb. Dry washes at mid to high elevations ___Tragia ramosa Noseburn Perennial herb.

FABACEAE- Legume family ___Alhagi pseudalhagi Camelthorn Shrub. Rare. Whitmore Canyon. ALIEN. ___Astragalus amphioxys var. amphioxys Crescent milkvetch Perennial herb. Blackbrush, pinyon-juniper woodland. ___Astragalus amphioxys var. modestus Crescent milkvetch Perennial herb. Rare. ___Astragalus calycosus var. scaposus Scapose milkvetch Perennial herb. Blackbrush, sagebrush, pinyon-juniper woodland. ___Astragalus eremiticus Sheldon Hermit milkvetch Perennial herb. Occasional. Plants of the Shivwits Plateau 5 ___Astragalus humistratus var. hosackiae Groundcover milkvetch Perennial herb. Pinyon-juniper woodland, ponderosa pine. ___Astragalus humistratus var. humivagans Groundcover milkvetch Perennial herb. Pinyon-juniper woodland, ponderosa pine. ___Astragalus humistratus var. tenerrimus Groundcover milkvetch Perennial herb. Uncommon. Mt. Dellenbaugh. ___Astragalus lentiginosus var. palans Straggling milkvetch Perennial herb. Blackbrush, pinyon-juniper woodland. ___Astragalus lentiginosus var. trumbullensis Parashant milkvetch Perennial herb. Uncommon. Andrus Canyon. ___Astragalus lentiginosus var. vitreus Glass milkvetch Perennial herb. Ponderosa pine. ___Astragalus nutallianus var. micranthiformis Turkey peas Annual. Occasional. Andrus Canyon. ___Astragalus oophorus var. caulescens Pallid egg milkvetch Perennial herb, sagebrush, pinyon-juniper. ___Astragalus praelongus var. praelongus Stinking milkvetch Perennial herb. Dansill Canyon. ___Calliandra humilis var. reticulata Fairy duster Perennial herb. Ponderosa pine woodland. ___Cercis occidentalis Western redbud Small tree. Parashant canyon. ___Dalea candida Prairieclover Perennial herb. Sagebrush, ponderosa pine. ___Dalea searlsiae Searls prairieclover Perennial herb. Sagebrush, pinyon-juniper, ponderosa pine. ___Desmanthus cooleyi Bundleflower Perennial herb. Sagebrush, ponderosa pine. ___Lathyrus brachycalyx ssp. zionis Zion sweetpea Perennial. Uncommon. Mt. Dellenbaugh. ___Lathyrus eucosmus Seemly sweetpea Perennial herb. Desert shrub, pinyon-juniper. ___Lotus humistratus Low trefoil Annual. Paws Pocket. ___Lotus wrightii Wrights trefoil Perennial herb. Pinyon-juniper, ponderosa pine woodlands. ___Lupinus argenteus Silvery lupine Perennial herb. Green Spring canyon. ___Lupinus caudatus Tailcup lupine Perennial. Occasional. Mt. Dellenbaugh. ___Lupinus concinnus Bajada lupine, Elegant lupine Annual. Paws Pocket. ___Lupinus flavoculatus Yelloweye lupine Annual. Whitmore Canyon. ___Lupinus hillii Hills lupine Perennial herb. Ponderosa pine. ___Lupinus kingii Kings lupine Annual. Ponderosa pine. ___Lupinus polyphyllus Showy lupine Perennial. Uncommon. ___Melilotus officinalis Yellow sweetclover Annual. Roadsides, moist place, disturbed area. ALIEN. ___Peteria thompsonae Thompsons peteria Perennial. Occasional. Cane Spring. ___Psoralidium (=Pediomelum ) tenuiflora Thinflower scurfpea Perennial herb. Pinyon-juniper, ponderosa pine woodland. ___Psorothamnus fremontii Indigobush Shrub. Creosotebush, blackbrush, pinyon-juniper. ___Robinia neomexicana locust Shrub or small tree. Live oak, sagebrush, pinyon-juniper. ___Senna bauhinioides (=Cassia bauhinioides) Twinleaf senna Annual. Common. Whitmore Canyon. ___Senna covesii (=Cassia covesii) Coues cassia Subshrub. Whitmore overlook. ___Vicia ludoviciana var. ludoviciana (= V. exigua) Deerpea vetch Annual. Pinyon-juniper.

FAGACEAE- Oak family ___Quercus gambelii Gambels oak; scrub oak Shrub or small tree. Sagebrush to ponderosa pine. ___Quercus turbinella Turbinella live oak Shrub. Pinyon-juniper, mountain shrub.

FOUQUIERIACEAE- Ocotillo family ___Fouquieria splendens Ocotillo Shrub. Whitmore canyon.

GARRYACEAE- Silk tassel family ___Garrya flavescens Silk tassle bush Shrub. Pinyon-juniper, ponderosa pine, mountain shrub.

GENTIANACEAE- Gentian family ___Swertia (=Frasera) albomarginata Desert elkweed Perennial herb. Sagebrush, pinyon-juniper.

GERANIACEAE- Geranium family ___Erodium cicutarium Filaree Annual. Widespread. ALIEN. ___Erodium texanum storksbill Annual or biennial. Paws Pocket. ___Geranium caespitosum James geranium Perennial herb. Sagebrush, pinyon-juniper, ponderosa pine. ___Geranium richardsonii Richardsons geranium Perennial herb. Pinyon-juniper.

GROSSULARIACEAE- Gooseberry family ___Ribes cereum Wax currant, Squaw currant Shrub. Sagebrush, pinyon-juniper, ponderosa pine. ___Ribes velutinum Desert gooseberry Shrub.

HYDROPHYLLACEAE- Waterleaf family ___Eucrypta micrantha Desert eucrypta Annual. Whitmore Point. ___Phacelia affinis Ally phacelia Annual. Paws Pocket ___Phacelia coerulea Blue phacelia Annual. Rare. Paws Pocket ___Phacelia crenulata var. ambigua (=P. ambigua) Fairy phacelia Annual. Paws Pocket. ___Phacelia cryptantha Cryptanth phacelia Annual. Sandstone Canyon. ___Phacelia filiformis Filiform phacelia Annual. Uncommon. Whitmore Canyon. ___Phacelia fremontii Yellow throats, Fremonts phacelia Annual. Creosotebush to pinyon-juniper. ___Phacelia glechomaefolia Canyon phacelia Annual. Andrus Point. ___Phacelia ivesiana Ives phacelia Annual. Sand, creosotebush to pinyon-juniper. ___Phacelia palmeri Palmers phacelia Biennial. Gypsum soils, low to mid elevations. Plants of the Shivwits Plateau 6 ___Phacelia pedicellata Specter phacelia Annual. Whitmore Point. ___Phacelia perityloides var. jaegeri Panamint phacelia Perennial herb. River overlook. ___Phacelia petrosa Forgotten phacelia Annual. Uncommon. Andrus Canyon. ___Phacelia rotundifolia Roundleaf phacelia Annual. Whitmore overlook. ___Phacelia vallis-mortae Death Valley phacelia Annual. Whitmore Point. ___Pholistoma auritum Desert fiestaflower Annual. Whitmore overlook. ___Tricardia watsonii Three hearts Perennial herb. Rare. Cane Spring.

LAMIACEAE- Mint family ___Dracocephalum (=Moldavica) parviflorum Smallflower dragonhead Annual. Sagebrush, pinyon-juniper woodland, ponderosa pine woodland. ___Hedeoma drummondii Mock pennyroyal Annual or perennial. Uncommon. Andrus Canyon. ___Hedeoma nanum Dwarf pennyroyal Perennial herb. Desert shrub, pinyon-juniper, ponderosa pine.. ___Marrubium vulgare Horehound Perennial herb. Disturbed areas, roadsides. ALIEN. ___Salvia dorrii Desert sage Shrub. Paws Pocket. ___Trichostema brachiatum Bluecurls Annual. Rare.

LINACEAE- Flax family ___Linum aristatum Broom flax Annual. Blackbrush to ponderosa pine. ___Linum lewisii Blue flax Perennial herb. Blackbrush and pinyon-juniper on Sanup and Shivwits.

LOASACEAE- Loasa family or Stickleaf family ___Mentzelia albicaulis Whitestem blazingstar Annual. Creosotebush to ponderosa pine woodland. ___Mentzelia integra (=M. lobata) Virgin stickleaf Perennial. Cane Spring. ___Mentzelia multiflora Desert stickleaf Perennial. Uncommon. Whitmore Point. ___Mentzelia nitens Venus blazingstar Annual. Whitmore Point. ___Mentzelia pumila Wyoming stickleaf Biennial. Sagebrush, pinyon-juniper. ___Petalonyx nitidus Shinning sandpaper plant Perennial. Rare. Whitmore Canyon.

MALVACEAE- Mallow family ___Abutilon incanum Bush mallow, Pelotazo Shrub. Rare. Whitmore Canyon. ___Abutilon parvulum Dwarf mallow Perennial herb Rare. ___Eremalche exilis White mallow Annual. Disturbed sites. ___Malva neglecta Cheeseweed Annual or biennial. Disturbed areas. ALIEN. ___Sphaeralcea ambigua Desert mallow, Globemallow Perennial herb. Creosotebush to pinyon-juniper. ___Sphaeralcea coccinea Scarlet globemallow Perennial herb. Uncommon. ___Sphaeralcea grossulariifolia Gooseberryleaf globemallow Perennial herb. Pinyon-juniper, ponderosa pine woodland. ___Sphaeralcea rusbyi Cutleaf globemallow Perennial. Occasional. Dansill Canyon.

MARTYNIACEAE – Unicorn Plant Family ___Proboscidea parviflora Unicorn plant Annual. Rare. Whitmore Airport area.

NYCTAGINACEAE- Four o’clock family ___Abronia fragrans Fragrant sandverbena Perennial herb. Whitmore Canyon. ___Allionia incarnata Windmills Annual. Whitmore Canyon. ___Boerhavia spicata Torrey spiderling Annual. Uncommon. ___Mirabilis bigelovii Wishbone bush Perennial herb. Whitmore overlook. ___Mirabilis coccinea Red four o’clock Perennial herb. Occasional in dry rocky sites mid to high elevations. ___Mirabilis linearis Linearleaf four o’clock Perennial herb. ___Mirabilis multiflora Giant four o’clock Perennial herb.

OLEACEAE- Olive family ___Fraxinus anomala Singleleaf ash Shrub or Tree. Occasional. Whitmore Point. ___Fraxinus cuspidata var. macropetala Ash Tree. Pinyon-juniper. ___Fraxinus dipetala Foothill ash Tree. Uncommon. Parashant Canyon. ___Fraxinus velutina (=F. pennsylvanica) Red ash Tree. Streams and canyons & areas of limited exposure ___Menodora scabra Rough menodora Perennial herb. Sagebrush, pinyon-juniper.

ONAGRACEAE- Evening primrose family ___Calylophus hartwegii Hartwegs evening primrose Perennial herb. Sagebrush. ___Calylophus lavandulifolia Lavandula evening primrose Perennial herb. Pinyon-juniper woodland, ponderosa pine woodland. ___Camissonia brevipes Sundrop, Suncup Annual. Andrus Canyon. ___Camissonia chamaenerioides Slenderpod camissonia Annual. Whitmore Canyon. ___Camissonia multijuga Manylobe primrose Annual. Whitmore Point. ___Camissonia scapoidea Barestem suncup Annual. Occasional. Andrus Canyon. ___Camissonia walkeri Walkers camissonia Annual. Blackbrush, pinyon-juniper. ___Epilobium brachycarpum Autumn willowherb Annual. Ponderosa pine. ___Epilobium ciliatum ssp. ciliatum Northern willowherb Perennial herb. Plants of the Shivwits Plateau 7 ___Gaura gracilis Slender gaura Perennial herb. Disturbed sites, Ponderosa pine ___Gayophytum ramosissimum Branching groundsmoke Annual. Pinyon-juniper, ponderosa pine. ___Oenothera cavernae Munzs evening primrose Perennial herb. Rare. Whitmore overlook. ___Oenothera flava Yellow evening primrose Perennial herb. Sagebrush, ponderosa pine. ___Oenothera pallida var. trichocalyx Pale evening primrose Perennial herb. Sands, near Whitmore and Parashant Canyons.

OROBANCHACEAE- Broom rape family ___Orobanche fasciculata Cluster cancerroot Perennial. Root parasite on , sagebrush, pinyon-juniper.

PAPAVERACEAE- Poppy family ___Corydalis aurea Golden corydalis Annual or biennial. Pinyon-juniper, sagebrush.

PHILADELPHACEAE- Mock orange family ___Fendlerella utahensis Utah fendlerella Shrub. Blackbrush, sagebrush, pinyon-juniper, ponderosa pine woodland.

PLANTAGINACEAE- Plantain family ___Plantago ovata (=P. insularis) Woolly plantain, Island plantain Annual. Whitmore overlook. ___Plantago patagonica Purshes plantain Annual. Joshua tree to pinyon-juniper.

POLEMONIACEAE- Phlox family ___Eriastrum diffusum Spreading woollystar Annual. Pinyon-juniper. ___Gilia filiformis Threadstem gilia Annual. Paws Pocket. ___Gilia hutchinsifolia Pale gilia Annual. Whitmore Canyon. ___Gilia leptomeria gilia, Lobeleaf gilia Annual. Paws Pocket. ___Gilia longiflora Longflower gilia Annual. Sagebrush, pinyon-juniper. ___Gilia micromeria Sand gilia Annual. Whitmore Canyon. ___Gilia multiflora Manyflower gilia Perennial herb. Sagebrush, pinyon-juniper. ___Gilia ophthalmoides Eyelike gilia Annual. Sagebrush, widely distributed. ___Gilia scopulorum Rock gilia Annual. Cane Spring. ___Gilia transmontana Transmontane gilia Annual. Widely distributed. ___Ipomopsis aggregata Scarlet gilia, Skyrocket Perennial herb. Sagebrush, ponderosa pine. ___Ipomopsis polycladon Spreading skyrocket Annual. Whitmore Canyon. ___Langloisia setosissima Mojave langloisia, Bristly langloisia Annual. Paws Pocket. ___Linanthus bigelovii Bigelows Annual. Paws Pocket. ___Linanthus demissus Humble gilia, Low linanthus Annual. Paws Pocket. ___Linanthus dichotomous Evening snow Annual. Occasional. Whitmore overlook. ___Phlox austromontana Desert phlox Perennial herb. Pinyon-juniper, ponderosa pine. ___Phlox gracilis Little polecat Annual. Rare. Paws Pocket. ___Phlox stansburyi Stansburys phlox Perennial herb. Green Spring canyon. ___Phlox woodhousei Woodhouses phlox Perennial herb. Coniferous forests.

POLYGALACEAE- Milkwort family ___Polygala subspinosa Cushion milkwort Subshrub. Sagebrush, pinyon-juniper, ponderosa pine.

POLYGONACEAE- Buckwheat family ___Centrostegia thurberi Thurbers spineflower Annual. Paws Pocket. ___Chorizanthe brevicornu Brittle spineflower Annual. Whitmore Canyon. ___Chorizanthe rigida Spiny herb Annual. Occasional. ___Eriogonum alatum Winged buckwheat Perennial herb. Sagebrush, pinyon-juniper. ___Eriogonum cernuum Nodding buckwheat Annual. Uncommon. Twin Point. ___Eriogonum corymbosum var. corymbosum Fremonts buckwheat Shrub. Whitmore overlook. ___Eriogonum deflexum Skeleton buckwheat Annual. Creosote bush to pinyon-juniper. ___Eriogonum fasciculatum var. polifolium California buckwheat Shrub. Common. Whitmore Point. ___Eriogonum heermannii ssp. sulcatum Limestone buckwheat Shrub. Blackbrush to pinyon-juniper. ___Eriogonum jamesii James buckwheat Perennial herb. Pinyon-juniper, ponderosa pine. ___Eriogonum maculatum Spotted buckwheat Annual. Whitmore Canyon. ___Eriogonum nummulare Coin buckwheat Shrub. Uncommon. Whitmore Point. ___Eriogonum palmerianum Palmers buckwheat Annual. Andrus Point. ___Eriogonum pharnaceoides Wirestem buckwheat Annual. Sagebrush, ponderosa pine. ___Eriogonum pusillum Yellow turban Annual. Whitmore Canyon. ___Eriogonum racemosum Redroot buckwheat Perennial herb. Pinyon-juniper, ponderosa pine. ___Eriogonum reniforme Kidneyleaf buckwheat Annual. Whitmore Canyon. ___Eriogonum simpsonii Simpsons buckwheat Perennial herb. Sagebrush, pinyon-juniper, ponderosa pine. ___Eriogonum umbellatum Sulfur buckwheat Subshrub. Sagebrush, ponderosa pine, pinyon-juniper. ___Eriogonum wrightii var. wrightii Wrights buckwheat Shrub. Whitmore Canyon. ___Polygonum aviculare Knotweed Annual. Open sites, widespread. ALIEN. ___Polygonum sawatchense Sawatch knotweed Annual. Sagebrush, ponderosa pine. Plants of the Shivwits Plateau 8 ___Pterostegia drymarioides Woodland pterostegia Annual. Whitmore overlook. ___Rumex crispus Curly dock Perennial herb. Paws Pocket. ALIEN. ___Rumex hymenosepalus Wild rhubarb Perennial herb. Paws Pocket.

PORTULACACEAE- Purslane family ___Claytonia perfoliata Miners lettuce Annual. Whitmore Point. ___Portulaca oleracea Purslane Annual. Weed, widely distributed. ALIEN.

PRIMULACEAE- Primrose Family ___ Androsace occidentalis Western rock jasmine Annual. Rare. Whitmore Canyon.

RANUNCULACEAE- Buttercup family ___Anemone tuberosa Desert windflower Perennial herb. Whitmore overlook. ___Aquilegia chrysantha Golden columbine Perennial herb. Moist areas, Green Spring canyon. ___Delphinium nelsonii Nelsons larkspur Tuberous perennial. Blackbrush, pinyon-juniper, ponderosa pine woodland. ___Delphinium scaposum Larkspur Tuberous perennial. Green Spring canyon. ___Myosurus cupulatus Arizona mousetail. Annual. Rare. Whitmore Canyon. ___Ranunculus cymbalaria Marsh buttercup Perennial herb. Uncommon. ___Ranunculus sceleratus Blister buttercup Annual. ___Ranunculus testiculatus Bur buttercup Annual weed. ALIEN. ___Thalictrum fendleri Fendlers meadowrue Perennial herb. Sagebrush, ponderosa pine.

RHAMNACEAE- Buckthorn family ___Ceanothus greggii Greggs ceanothus Shrub. Occasional. Pinyon-juniper, mountain brush. ___Rhamnus betulifolia Birchleaf buckthorn Shrub. Rare. Lone Mountain.

ROSACEAE- Rose family ___Amelanchier utahensis Utah serviceberry Shrub. Pinyon-juniper, ponderosa pine. ___Cercocarpus montanus Alderleaf mountain mahogany Shrub. Uncommon. Mollies Nipple. ___Chamaebatiaria millefolium Fernbush Shrub. Rare. Sagebrush, mountain brush. ___Coleogyne ramosissima Blackbrush Shrub. Common. Blackbrush, Joshua tree. ___Fallugia paradoxa Apache plume Shrub. Occasional. Blackbrush, sagebrush, pinyon-juniper. ___Holodiscus dumosus Mountain spray Shrub. Uncommon. Mollie Nipple. ___Prunus fasciculata Desert almond Shrub. Paws Pocket. ___Prunus virginiana Chokecherry Shrub. Sagebrush, pinyon-juniper. ___Purshia (=Cowania) mexicana var. stansburyana Cliff rose Shrub. Blackbrush, pinyon-juniper woodland, ponderosa pine woodland. ___Purshia tridentata var. glandulosa (=Purshia glandulosa) Mohave antelopebush Shrub. Whitmore Canyon. ___Rosa stellata ssp. abyssa Grand Canyon rose Shrub. Rare. Twin Point.

RUBIACEAE- Madder family; Coffee family ___Galium aparine Goosegrass Annual. Rare. Paws Pocket. ___Galium multiflorum Shrubby bedstraw Perennial. Uncommon. ___Galium proliferum Slender bedstraw Annual. Occasional. Paws Pocket. ___Galium stellatum Star bedstraw, Crevice bedstraw Shrub. Whitmore Point. ___Galium wrightii Wrights bedstraw Perennial herb. Riparian, oak, ponderosa pine.

RUTACEAE- Rue family; Citrus family ___Ptelea trifoliata ssp. pallida Hoptree Shrub or small tree. Green Spring canyon. ___Thamnosma montana Desert rue Shrub. Whitmore Point.

SALICACEAE - Willow Family ___ Salix exigua Coyote willow, Sandbar willow Shrub or tree. Mud Spring.

SANTALACEAE- Sandalwood family ___Comandra umbellata Bastard toadflax Perennial herb. Semiparasitic, blackbrush, oak, pinyon-juniper woodland, ponderosa pine woodland.

SAXIFRAGACEAE- Saxifrage family ___Fendlera rupicola Fendlerbush Shrub. Blackbrush, pinyon-juniper. ___Heuchera rubescens var. rubescens Red alumroot Perennial herb. Pinyon-juniper, ponderosa pine. ___Heuchera rubescens var. versicolor Hairy alumroot Perennial herb. Pinyon-juniper, mountain brush.

SCROPHULARIACEAE- Figwort family ___Antirrhinum filipes Twining snapdragon Annual. Whitmore Point. ___Castilleja angustifolia (=C. chromosa) Paintbrush Perennial herb. Creosotebush to pinyon-juniper. ___Castilleja integra Showy paintbrush Perennial. Rare. Mt Dellenbaugh. ___Castilleja linariifolia Linearleaf paintbrush Perennial herb. Sagebrush, pinyon-juniper. Plants of the Shivwits Plateau 9 ___Cordylanthus parviflorus Smallflower birdbeak Annual. Blackbrush, sagebrush, pinyon-juniper. ___Cordylanthus tenuifolius Slenderleaf birdbeak Annual. ___Cordylanthus wrightii Wrights birdbeak Annual. Sagebrush to ponderosa pine. ___Maurandya antirrhiniflora Violet twining snapdragon Perennial herb. Whitmore Point. ___Mimulus bigelovii Desert monkeyflower, Bigelows monkeyflower Annual. Whitmore Canyon. ___Mimulus guttatus Monkeyflower Perennial. Moist sites in many communities. ___Mimulus rubellus Reddish monkeyflower Annual. Paws Pocket. ___Orthocarpus purpureo-albus Violet owls clover, Two-toned owls clover Annual. Sagebrush to ponderosa pine woodland. ___Penstemon barbatus Scarlet penstemon Perennial herb. Sagebrush, ponderosa pine. ___Penstemon distans Mt. Trumbull beardtongue Perennial herb. Rare. ___Penstemon eatonii Eatons penstemon Perennial herb. Blackbrush, Green Spring canyon. ___Penstemon linarioides Silers penstemon Perennial herb. Sagebrush, pinyon-juniper, ponderosa pine. ___Penstemon nudiflorus Nakedflower beardtongue Perennial herb. Ponderosa pine. ___Penstemon ophianthus Arizona beardtongue Perennial. Rare. Mt Dellenbaugh. ___Penstemon pachyphyllus var. congestus Rockville penstemon Perennial herb. Pinyon-juniper, ponderosa pine woodland. ___Penstemon palmeri Palmers penstemon Perennial herb. Mountain brush, pinyon-juniper, ponderosa pine woodland. ___Penstemon rostiflorus (=P. bridgesii) Bridges penstemon Perennial herb. Green Spring canyon. ___Penstemon thompsoniae Thompsons penstemon Perennial herb. Sagebrush, pinyon-juniper. ___Penstemon utahensis Utah penstemon Perennial herb. Occasional. Andrus Canyon. ___Verbascum thapsus Woolly mullein Biennial. Pinyon-juniper. ALIEN ___Veronica americana American brooklime Perennial. Uncommon.

SIMAROUBACEAE- Quassia family; Simarouba family ___Castela emoryi Crucifixion thorn Shrub. Blackbrush, Whitmore point.

SOLANACEAE- Nightshade family ___Lycium andersonii Andersons wolfberry Shrub. Paws Pocket. ___Lycium pallidum Pale wolfberry Shrub. Blackbrush, sagebrush, pinyon-juniper. ___Nicotiana attenuata Coyote tobacco Annual. Ubiquitous, disturbed sites. ___Physalis crassifolia Thickleaf groundcherry Perennial herb. Creosotebush, blackbrush, pinyon-juniper woodland. ___Physalis hederifolia Ivyleaf groundcherry Perennial herb. Sagebrush, pinyon-juniper. ___Solanum triflorum Cutleaf nightshade Annual. Creosotebush, blackbrush, sagebrush, pinyon-juniper.

TAMARICACEAE- Tamarisk Family ___Tamarix ramosissima Saltcedar Shrub to tree. Mollies Nipple. ALIEN.

ULMACEAE - Elm Family ___Celtis reticulata Netleaf hackberry Tree. Rare.

URTICACEAE- Nettle Family ___Parietaria pensylvanica Hammerwort Annual. Paws Pocket.

VERBENACEAE- Vervain family ___Aloysia wrightii (=Lippia wrightii) Oreganillo Shrub. Whitmore canyon. ___Verbena bracteata Protrate vervain Annual or perennial herb. Roadsides, disturbed sites. ___Verbena gooddingii Gooddings vervain Perennial herb. Blackbrush, pinyon-juniper, ponderosa pine.

VIOLACEAE- Violet family ___Hybanthus verticillatus Baby slippers Shrub. Rare. Whitmore Canyon. ___Viola nuttallii Nuttalls violet Perennial herb. Sagebrush.

VISCACEAE- Mistletoe family ___Phoradendron juniperinum Juniper mistletoe Perennial. Parasitic on Juniperus sp.

ZYGOPHYLLACEAE- Caltrop Family, Tree-of-Life Family ___Kallstroemia parviflora Orange kallstroemia Annual. Rare. Parashant Canyon. ___Larrea tridentata Creosotebush Shrub. Whitmore Canyon.

MONOCOTS

CYPERACEAE- Sedge family ___Carex obtusata Blunt sedge Perennial. Sagebrush, mountain brush, dry meadow. ___Carex occidentalis Western sedge Perennial. Mountain brush, ponderosa pine. ___Cyperus erythrorhizos Redroot flatsedge Annual. Uncommon.

LILIACEAE- Lily family Plants of the Shivwits Plateau 10 ___Agave utahensis Utah centuryplant Shrub. creosotebush, blackbrush, pinyon-juniper. ___Allium acuminatum Acuminate onion Perennial herb. . Sagebrush, live oak, pinyon-juniper, ponderosa pine. ___Allium bisceptrum Palmers onion Perennial herb. Bulb. Sagebrush, pinyon-juniper. ___Allium nevadense Nevada onion Perennial herb. Bulb. Blackbrush, pinyon-juniper. ___Androstephium breviflorum Funnel lily Perennial. Paws Pocket. ___Calochortus flexuosus Weakstem mariposa Perennial. Whitmore Point. ___Calochortus nuttallii Sego lily Perennial herb. Bulb. Sagebrush, pinyon-juniper, ponderosa pine. ___Dichelostemma capitatum ssp. pauciflorum (=D. pulchella) Bluedicks Perennial herb. Whitmore Point. ___Fritillaria atropurpurea Leopard lily Perennial herb. Bulb. Pinyon-juniper, sagebrush. ___Leucocrinum montanum Star lily Perennial herb. Rare. Sagebrush, pinyon-juniper, ponderosa pine. ___Nolina bigelovii Beargrass Shrub. Blackbrush. Whitmore canyon. ___Nolina microcarpa Beargrass Perennial herb. Live oak, pinyon-juniper. ___Yucca angustissima Narrowleaf yucca Shrub. Sand, blackbrush, sagebrush, pinyon-juniper woodland, ponderosa pine woodland. ___Yucca baccata Banana yucca Shrub. Blackbrush, Joshua tree to ponderosa pine. ___Yucca whipplei Our lords candle Shrub. Rare. Whitmore Canyon.

POACEAE- Grass family ___Agropyron cristatum Crested wheatgrass Perennial herb. Disturbed habitats. ALIEN. ___Agrostis viridis (=A. semiverticillata) Bentgrass Perennial herb. Moist places, lower elevations. ___Andropogon glomeratus Bushy bluestem Perennial. Uncommon. Whitmore Canyon. ___Aristida arizonica Arizona threeawn Perennial herb. Desert shrub. ___Aristida purpurea var. fendleriana Purple threeawn Perennial herb. Creosotebush to ponderosa pine. ___Aristida purpurea var. nealleyi (=A. p. var. glauca) Nealley threeawn Perennial herb. Andrus Canyon. ___Aristida ternipes var. hamulosa Hook threeawn Perennial. Uncommon. Andrus Canyon. ___Bothriochloa barbinodis Cane bluestem Perennial. Andrus Canyon. ___Bothriochloa ischaemum Yellow bluestem Perennial. Uncommon. Parashant Canyon. ___Bouteloua aristidoides Needle grama Annual. Parashant Canyon. ___Bouteloua barbata Sixweeks grama Annual. Parashant Canyon. ___Bouteloua curtipendula Sideoats grama Perennial herb. Desert shrub, pinyon-juniper, ponderosa pine. ___Bouteloua eriopoda Black grama Perennial. Whitmore Canyon. ___Bouteloua gracilis Blue grama Perennial herb. Desert shrub to ponderosa pine. ___Bouteloua simplex Mat grama Annual. Sagebrush. ___Bouteloua trifida Red grama Perennial. Whitmore overlook. ___Bromus carinatus (=B. marginatus) Mountain brome Perennial herb. Sagebrush to subalpine. ___Bromus madritensis ssp. rubens (= B. rubens) Red brome Annual. Creosotebush, blackbrush. ALIEN. ___Bromus tectorum Cheatgrass, Downy brome Annual. Saltbush, sagebrush, pinyon-juniper. ALIEN. ___Elymus elymoides (=Sitanion hystrix) Squirreltail Perennial. Desert shrub to alpine. ___Elymus smithii (=Agropyron smithii) Western wheatgrass Perennial. Desert shrub to pinyon-juniper. ___Elymus trachycaulus ssp. trachycaulus (=Agropyron trachycaulus) Slender wheatgrass Perennial. Castle Peak. ___Enneapogon desvauxii Spike pappusgrass Perennial. Uncommon. Parashant Canyon. ___Eragrostis cilianensis Stinkgrass Annual. Uncommon. Paws Pocket. ALIEN ___Erioneuron pulchellum Fluffgrass Perennial. Whitmore Airport. ___Hesperostipa comata (=Stipa c.) Needlegrass Perennial herb. Desert shrub, sagebrush, pinyon-juniper. ___Muhlenbergia microsperma Littleseed muhly Annual or Perennial. Whitmore overlook. ___Muhlenbergia minutissima Annual muhly Annual. Uncommon. Whitmore Canyon. ___Muhlenbergia porteri Bush muhly Perennial. Parashant Canyon. ___Muhlenbergia racemosa Green muhly Perennial. Rare. ___Muhlenbergia richardsonis Mat muhly Perennial herb. Sagebrush to ponderosa pine. ___Panicum hirticaule Rough stalk witchgrass Perennial. Rare. Whitmore Airport. ___Poa bigelovii Bluegrass Annual. Whitmore overlook. ___Poa fendleriana Mutton grass Perennial. Paws Pocket. ___Poa pratensis Kentucky bluegrass Perennial herb. Moist places, sagebrush to ponderosa pine. ALIEN. ___Pseudoroegneria spicata (=Agropyron spicatum) Wheatgrass Perennial herb. Many habitats, high elevation. ___Schismus arabicus Arabian grass Annual. Paws Pocket. ALIEN. ___Schismus barbatus Mediterranean grass Annual. Paws Pocket. ALIEN. ___Scleropogon brevifolius Burrograss Perennial. Rare. Paws Pocket. ___Setaria glauca (=S. lutescens) Yellow bristlegrass Annual. Paws Pocket. ___Setaria leucopila (=S. macrostachya) Bristlegrass Perennial herb. Protected sites, low to mid elevations. ___Sporobolus contractus Spike dropseed Perennial. Uncommon. Andrus Canyon. ___Sporobolus cryptandrus Sand dropseed Perennial. Parashant Canyon. ___Sporobolus flexuosus Mesa dropseed Perennial. Andrus Canyon. ___Trichachne californica Cottontop Perennial herb. Rocky places, mid elevations. ___Tridens muticus Slim tridens Perennial herb. Creosotebush to pinyon-juniper. ___Vulpia octoflora (=Festuca octoflora) Sixweeks fescue Annual. Whitmore Canyon.

POTAMOGETONACEAE- Pondweed Family ___ Potamogeton foliosus Raf. Leafy pondweed Perennial. Rare. Parashant. Waring Ranch Pond.

Plants of the Shivwits Plateau 11 TYPHACEAE - Cattail Family ___Typha domingensis Southern cattail Perennial. Mud spring.

Plants of the Shivwits Plateau 12