(Astragalus mollissimus) woolly senna (Senna hirsuta) Wright's milkpea (Galactia wrightii) Wright's prairie clover (Dalea wrightii) yellow paloverde (Parkinsonia microphylla) yellow sweetclover (Melilotus albus) yoke-leaved amicia (Amicia zygomeris) zarzabacoa de dos hojas (Zornia reticulata) Fagaceae black oak (Quercus devia) Brandegee oak (Quercus brandegeei) California live oak (Quercus agrifolia) canyon live oak (Quercus chrysolepis) Chihuahua oak (Quercus chihuahuensis) cusi (Quercus albocincta) Davis Mountain oak (Quercus depressipes) Emory oak (Quercus emoryi) encino asta (Quercus subspathulata) gray oak (Quercus grisea) handbasin oak (Quercus tarahumara) Mexican blue oak (Quercus oblongifolia) netleaf oak (Quercus rugosa) Palmer oak (Quercus palmeri) pungent oak (Quercus pungens) roble prieto (Quercus durifolia) scrub oak (Quercus dumosa) silverleaf oak (Quercus hypoleucoides) Sonoran oak (Quercus viminea) Sonoran scrub oak (Quercus turbinella) Toumey oak (Quercus toumeyi) valley oak (Quercus lobata) Fouquieriaceae Adam's tree (Fouquieria diguetii) boojum (Fouquieria columnaris) Mexican tree ocotillo (Fouquieria macdougalii) ocotillo (Fouquieria splendens) pichilingue (Fouquieria burragei) tropical ocotillo (Fouquieria fasciculata) Frankeniaceae alkali heath (Frankenia salina) Palmer's seaheath (Frankenia palmeri) Garryaceae ashy silktassel (Garrya flavescens) eggleaf silktassel (Garrya ovata) laurelleaf silktassel (Garrya laurifolia) Wright's silktassel (Garrya wrightii) Gelsemiaceae Carolina jessamine (Gelsemium sempervirens) Gentianaceae Arizona centaury (Zeltnera calycosa) autumn dwarf gentian (Gentianella amarella) Chiricahua dwarf gentian (Gentianella microcalyx) Chiricahua Mountain dwarf gentian (Gentianella wislizeni) desert centaury (Zeltnera exaltata) elkweed (Frasera speciosa) grand fringed gentian (Gentianopsis macrantha) Mt. Graham spurred gentian (Halenia recurva) Santa Catalina Mountain centaury (Zeltnera nudicaulis) Geraniaceae Huachuca Mountain geranium (Geranium wislizeni) Richardson's geranium (Geranium richardsonii) Texas stork's bill (Erodium texanum) Grossulariaceae chaparral currant (Ribes indecorum) fuchsia-flowered currant (Ribes speciosum) island currant (Ribes viburnifolium) orange gooseberry (Ribes pinetorum) Haloragaceae cutleaf watermilfoil (Myriophyllum pinnatum) Eurasian watermilfoil (Myriophyllum spicatum) parrot feather watermilfoil (Myriophyllum aquaticum) Hydrangeaceae cliff fendlerbush (Fendlera rupicola) climbing hydrangea (Hydrangea seemannii) Lewis' mock orange (Philadelphus lewisii) littleleaf mock orange (Philadelphus microphyllus) Hydrocharitaceae hydrilla (Hydrilla verticillata) nodding waternymph (Najas flexilis) Hydroleaceae spiny false fiddleleaf (Hydrolea spinosa) Hypericaceae Scouler's St. John's wort (Hypericum scouleri) Hypoxidaceae Mexican yellow star-grass (Hypoxis mexicana) Iridaceae Arizona blue-eyed grass (Sisyrinchium arizonicum) blackberry lily (Belamcanda chinensis) false freesia (Freesia laxa) fragrant gladiolus (Gladiolus callianthus) montbretia (Crocosmia crocosmiiflora) nodding blue-eyed grass (Sisyrinchium cernuum) North's false flag (Neomarica northiana) Rocky Mountain iris (Iris missouriensis) stiff blue-eyed grass (Sisyrinchium demissum) tiger flower (Tigridia pavonia) western blue-eyed grass (Sisyrinchium bellum) yellow walking iris (Neomarica longifolia) Juglandaceae Arizona walnut (Juglans major) Juncaceae arctic rush (Juncus arcticus) Colorado rush (Juncus confusus) forked rush (Juncus dichotomus) grassleaf rush (Juncus marginatus) jointleaf rush (Juncus articulatus) poverty rush