Broom groundsel - Senecio spartioides CD/F Gourd Family (Cucurbitaceae) Potato Family (Solanaceae) Goldenrod - Solidago species (3) CD/Su-F Stinking gourd - Cucurbita foetidissima CDT/Su Angel’s trumpet - Datura wrightii CDT/Sp-F National Park Service Wire lettuce - Stephanomeria tenuifolia All/Sp Silverleaf nightshade - Solanum elaeagnifolium CD/Sp-Su U.S. Department of the Interior Showy goldeneye - Viguiera multiflora RT/Sp-Su Lily Family () Wild onion - Allium species (3) CP/Sp Primrose Family (Primulaceae) Evening-Primrose Family (Onagraceae) Mariposa lily - species (3) CDPT/Sp Zion shooting star - Dodecatheon pulchellum HR/Sp Yellow camissonia - Camissonia multijuga (6) CDST/Sp Sego lily - Calochortus nuttallii CPT/Sp var. zionense Tufted evening-primrose - Oenothera caespitosa ST/Sp-Su Bluedicks - Dichelostemma pulchellum CPST/Sp Pale evening-primrose - Oenothera pallida (7) CDPS/Sp False solomon-seal - Smilacina stellata CHR/Sp Purslane Family (Portulacaceae) Hummingbird flower - Zauschneria latifolia CPS/Su-F Lanceleaf spring beauty - Claytonia lanceolata H/Sp Madder Family (Rubiaceae) Southwestern - Lewisia brachycalyx P/Sp Common Figwort Family (Scrophulariaceae) Bedstraw - Galium species (6) C/Sp-Su Miners/Indian lettuce - Montia perfoliata HR/Sp Desert paintbrush - Castilleja chromosa CDT/Sp Madder* - Rubia tinctoria C/Sp-Su Slickrock paintbrush - Castilleja scabrida S/Sp Family (Rosaceae) Cardinal monkeyflower - Mimulus cardinalis CHR/Sp, F Mallow Family (Malvaceae) Rock spiraea - Petrophytum caespitosum S/F Eaton penstemon - Penstemon eatonii CDPT/Sp Globemallow - Sphaeralcea grossularifolia (4) CDPST/Sp Cinquefoil - Potentilla species (3) P/Sp-Su Zion penstemon - Penstemon humilis CDPT/Sp Fuchsia penstemon - Penstemon x jonesii CS/Sp-Su Milkweed Family (Asclepiadaceae) Saxifrage Family (Saxifragaceae) Royal/smooth penstemon - Penstemon laevis CDPT/Sp Spider milkweed - asperula CD/Sp-Su Hairy alumroot - Heuchera rubescens CHS/Su Palmer’s penstemon - Penstemon palmeri CDPT/Sp-Su Butterfly weed - Asclepias tuberosa CD/Sp-Su Woodland star - Lithophragma tenella P/Sp Utah penstemon - Penstemon utahensis CPST/Sp Common mullein* - Verbascum thapsus CPR/Su Mustard Family (Brassicaceae) Spiderwort Family (Commelinaceae) Rockcress - Arabis species (5) CPT/Sp Spiderwort - Tradescantia occidentalis CPT/Sp Flax Family (Linaceae) Zion draba - Draba asprella var. zionensis CPS/Sp Blue flax - Linum perenne var. lewisii CDPT/Su Wallflower - Erysimum asperum CDPT/Sp Spurge Family (Euphorbiaceae) Watercress* - Nasturtium officinale HR/Sp Whitemargin spurge - Chamaesyce CDT/Sp Four-O’Clock Family (Nyctaginaceae) Twinpod - Physaria species (8) PT/Sp albomarginata Fragrant sand-verbena - Abronia fragrans CDST/Sp, F Prince’s plume - Stanleya pinnata CDT/Sp Showy four-o’clock - Mirabilis multiflora CDT/Sp-Su Waterleaf Family (Hydrophyllaceae) Orchid Family (Orchidaceae) Wand phacelia - Phacelia heterophylla (10) CDP/Su Gentian Family (Gentianaceae) Helleborine - Epipactis gigantea CHRS/Sp Elkweed - Swertia radiata (2) P/Sp Ferns & Fern Allies Pea Family (Fabaceae) Fern Family (Polypodiaceae) Geranium Family (Geraniaceae) Stinking milkvetch - Astragalus praelongus CDT/Sp Maidenhair fern - Adiantum capillus (19) HR/N Filaree/storksbill* - Erodium cicutarium CS/Sp-F Zion milkvetch - Astragalus zionis (20) CDT/Sp Prairie clover - Dalea searlsiae D/Sp Scouring Rush Family (Equisetaceae) Goosefoot Family (Chenopodiaceae) Zion sweetpea - Lathyrus zionis CDT/Sp Common Horsetail - Equisetum arvense (2) HR/N Russian thistle* - Salsola kali CD/Su Utah deerclover/trefoil - Lotus utahensis (4) CDS/Sp Elegant lupine - Lupinus concinnus (8) DPT/Sp Grasses & Grass-like Plants Thompson peteria - Peteria thompsonae CDP/Sp-Su Grass Family (Poaceae) Lean clover - Trifolium macilentum (3) CHP/Sp Desert Marigold (Baileya multiradiata) Purple three-awn - Aristida purpurea CT/Sp-Su Goldenpea - Thermopsis pinetorum P/Sp Cane Bluestem - Bothriochloa barbinodis CT/Su-F American vetch - Vicia americana CT/Sp Blue grama - Bouteloua gracilis CT/Su-F Zion National Park is located at the Ripgut brome* - Bromus diandrus CD/Sp Phlox Family (Polemoniaceae) confluence of three distinct ecological Cheatgrass* - Bromus tectorum CD/Sp Scarlet gilia - Ipomopsis aggregata (5) PT/Sp Squirreltail - Elymus elymoides CDP/Sp Nuttall gilia - Linanthastrum nuttallii CS/Sp regions: the Plateau, the Mutton grass - Poa fendleriana CDP/Sp Desert/Jones’ phlox - Phlox austromontana CS/Sp Needle-and-thread grass - Stipa comata CD/Sp Mojave Desert, and the Great Basin. Long-leaf phlox - Phlox longifolia P/Sp Indian ricegrass - Stipa hymenoides CDST/Sp This unique location, along with Desert needlegrass - Stipa speciosa DT/Su Pink Family (Caryophyllaceae) Zion’s dramatic landscape and the Sandwort - Arenaria species (6) DHPS/Sp-Su Rush Family (Juncaceae) Common chickweed - Stellaria media CDPST/Sp prevalence of water, creates an ideal Swordleaf rush - Juncus xiphioides HR/Sp habitat for a wide variety of plants. In Poppy Family (Papaveraceae) Sedge Family (Cyperaceae) Prickly/thistle poppy - Argemone munita (2) CPS/Su all, Zion is home to over 1,000 species Ovalhead sedge - Carex festivella HR/Sp-Su Panicled bulrush - Scirpus microcarpus HR/Sp-Su of plants. This list provides a glimpse of the incredible biodiversity that can Sego lily (Calochortus nuttallii) be found in the park. The following abbreviations are used to describe Dogwood Family (Cornaceae) Herbs where and when certain plants may be found in Red-osier dogwood - Cornus stolonifera P/Sp Bellflower Family (Campanulaceae) Zion National Park. Cardinal-flower - Lobelia cardinalis CHR/Su-F Goosefoot Family (Chenopodiaceae) Four-wing saltbush - Atriplex canescens CD/Su Borage Family (Boraginaceae) Location Shadscale - Atriplex confertifolia DT/Sp Yellow cryptanth - Cryptantha confertiflora (11) CT/Sp C = Canyons Grape Family (Vitaceae) Stickseed - Hackelia species (4) DRT/Sp D = Desert, lower washes, and sandy areas Canyon wild grape - Vitis arizonica CR/Sp H = Hanging gardens and seeps Buckwheat Family (Polygonaceae) Wild buckwheat - Eriogonum species (20) DPST/Su-F P = Plateau Heath Family (Ericaceae) Manzanita - Arctostaphylos species (2) PST/W-Sp Desert trumpet - Eriogonum inflatum D/Sp-F R = Riparian Knotweed - Polygonum species (5) DPRT/Sp S = Slickrock and cliffs Honeysuckle Family (Caprifioliaceae) Canaigre/wild rhubarb - Rumex hymenosepalus CD/Sp Elderberry - Sambucus caerulea P/Su T = Talus slopes Buttercup Family (Ranunculaceae) Mountain snowberry - Symphoricarpos CP/Sp-Su oreophilus Golden columbine - Aquilegia chrysantha CHR/Sp-Su Blooming Season Larkspur - Delphinium species (3) CDPS/Sp Joint Fir Family (Ephedraceae) Buttercup - Ranunculus species (6) S/Sp Sp = Spring Zion shooting star (Dodecotheon pulchellum var. zionense) Indian/Mormon tea - Ephedra viridis CDT/Sp Su = Summer Caltrop Family (Zygophyllaceae) F = Fall Pine Family (Pinaceae) Mint Family (Lamiaceae) Puncturevine* - Tribulus terrestris DT/Su W = Winter White fir - Abies concolor CP/N Dorr’s sage - Salvia dorrii CDT/Sp Piñon/nut pine - Pinus edulis CPST/N Caper Family (Capparidaceae) N = No flower Singleleaf pinyon - Pinus monophylla CPST/N Oleaster Family (Elaeagnaceae) Yellow beeplant - Cleome lutea DS/Su-F Ponderosa pine - Pinus ponderosa SP/N Russian olive* - Elaeagnus angustifolia CR/Sp * Introduced Species (non-native) Douglas fir - Pseudotsuga menziesii CSP/N Roundleaf buffaloberry - Shepherdia DT/W-Sp Composite Family (Asteraceae) rotundifolia Yarrow - Achillea millefolium CP/Su Rose Family (Rosaceae) Mountain dandelion - Agoseris species (3) P/Sp Apple tree* - pumila C/Sp Pea Family (Fabaceae) Desert marigold - Baileya multiradiata DT/Sp-F Indigobush/Desert beauty - Dalea fremontii DT/Sp Arrowleaf balsamroot - Balsamorhiza sagittata P/Sp Tamarix Family (Tamaricaceae) Dusty-maiden - Chaenactis douglasii P/Sp Trees Tamarisk or Saltcedar* - Tamarix pentandra CR/Sp-F Potato Family (Solanaceae) thistle - Cirsium arizonicum CDT/Sp-Su Birch Family (Betulaceae) Wolfberry/Tomatilla - Lycium pallidum CD/Sp Spreading daisy - Erigeron divergens (9) CDPRT/Sp Water/River birch - Betula occidentalis CR/Sp Willow Family (Salicaceae) Zion daisy - Erigeron sionis H/Sp-Su Fremont cottonwood - Populus fremontii CRS/Sp Rose Family (Rosaceae) blanketflower - Gaillardia pinnatifida DT/Sp-Su Elm Family (Ulmaceae) Quaking aspen - Populus tremuloides PS/Sp Saskatoon serviceberry - Amelanchier alnifolia CP/Sp Common sunflower - CDST/Su Netleaf hackberry - Celtis reticulata CT/Sp Willow - Salix species (9) CR/Sp Utah serviceberry - Amelanchier utahensis CPT/Sp Hairy goldenaster - Heterotheca villosa DPT/Su-F Mountain mahogany - Cercocarpus species (3) S/Sp Tansy-aster - Machaeranthera species (3) CD/Su-F Juniper or Cypress Family (Cupressaceae) Shrubs Blackbrush - Coleogyne ramosissimum CD/Sp Basin groundsel - Senecio multilobatus DT/Sp Arizona cypress* - Cupressaceae glabra C/N Agave Family (Agavaceae) Western chokecherry - Prunus virginiana P/Sp Utah juniper - Juniperus osteosperma DPST/N Narrow-leaved - Yucca angustissima CDPST/Sp Cliffrose - Purshia mexicana CDST/Sp Rocky Mountain juniper - Juniperus scopulorum PRT/N Datil yucca - Yucca baccata CDT/Sp Antelope bitterbrush - Purshia tridentata CPT/Sp Utah yucca - Yucca utahensis CDPST/Sp Wood’s wild rose - Rosa woodsii CPR/Su Maple Family (Aceraceae) Bigtooth maple - Acer grandidentatum CPS/Sp Barberry Family (Berberidaceae) Silk-Tassel Family (Garryaceae) Boxelder - Acer negundo CRS/Sp Creeping hollygrape - Berberis repens CP/Sp Silk-tassel bush - Garrya flavescens C/W

Oak Family (Fagaceae) Cashew/Sumac Family (Anacardiaceae) Cacti Gambel oak - Quercus gambelii CPST/Sp Smooth sumac - Rhus glabra CDT/Sp Cactus Family (Cactaceae) Shrub live oak - Quercus turbinella CDST/Sp Poison ivy - Rhus radicans CHR/Sp-Su Purple torch - Echinocereus engelmannii CD/Sp Wavyleaf oak - Quercus undulata CP/Sp Squawbush/three-leaf sumac - Rhus trilobata CDT/Sp Claret cup - Echinocereus triglochidiatus DST/Sp Olive Family (Oleaceae) Pancake pricklypear - Opuntia chlorotica CDT/Sp-Su Composite Family (Asteraceae) Singleleaf ash - Fraxinus anomala CST/Sp Common pricklypear - Opuntia erinacea CDT/Sp-Su Old man sagebrush - Artemisia filifolia CDT/Sp, F Velvet ash - Fraxinus velutina CR/Sp Twist-spine pricklypear -Opuntia macrorhiza CDT/Sp-Su Big sagebrush - CDP/F Large pricklypear - Opuntia phaeacantha CDT/Sp-Su Waterwillow - Baccharis emoryi CR/F Pea Family (Fabaceae) Cholla - Opuntia species (3) CD/Su Rabbitbrush - Chrysothamnus species (13) CD/F locust - Robinia neomexicana C/Sp Broom Snakeweed - Gutierrezia sarothrae CDT/F Black locust* - Robinia pseudoacacia C/Sp Bush encelia - Encelia frutescens virginensis DT/Su Sacred datura (Datura wrightii)