VASCULAR FLORA OF CITY OF ROCKS STATE PARK (2004-2016) by William Norris, Timothy Geddes, Javier Kirker, Gene Jercinovic and George Cox Updated Dec. 27 2016 FAMILY STATUS SCIENTIFIC NAME COMMON NAME PTERIDACEAE N Cheilanthes eatonii Baker Eaton's Lipfern PTERIDACEAE N Cheilanthes lindheimeri (J. Smith) Hooker Fairy Swords CUPRESSACEAE PL Hesperocyparis arizonica (Greene) Bartel Arizona Cypress CUPRESSACEAE N Juniperus arizonica (R.P. Adams) R.P. Adams Red-Berried Juniper CUPRESSACEAE N Juniperus deppeana Steudel Alligator Juniper PINACEAE PL Pinus edulis Engelmann Pinon Pine EPHEDRACEAE N Ephedra torreyana Torrey ex Watson var. torreyana Torrey's Ephedra EPHEDRACEAE N Ephedra trifurca Torrey ex S. Watson Longleaf Ephedra ADOXACEAE N Sambucus caerulea Rafinesque var. mexicana Mexican Elderberry AIZOACEAE N Trianthema portulacastrum L. Desert Horse- Purslane AMARANTHACEAE N Acanthochiton wrightii Torrey Greenstripe AMARANTHACEAE E Amaranthus blitoides S. Watson Prostrate Pigweed AMARANTHACEAE N Amaranthus palmeri S. Watson Palmer's Amaranth AMARANTHACEAE N Froelichia arizonica Thornber ex Standley Arizona Snakecotton AMARANTHACEAE N Froelichia gracilis (Hooker) Moquin-Tandon Slender Snakecotton AMARANTHACEAE N Gomphrena caespitosa Torrey Tufted Globe- Amaranth AMARANTHACEAE N Gomphrena nitida Rothrock Pearly Globe- Amaranth AMARANTHACEAE N Guilleminea densa (Humboldt & Bonpland ex Willdenow) Small Matweed Moquin-Tandon var. aggregata Uline & Bray AMARANTHACEAE N Tidestromia lanuginosa (Nuttall) Standley Wooly Honeysweet AMARANTHACEAE N Atriplex canescens (Pursh) Nuttall Four-Wing Salt- Bush AMARANTHACEAE N Atriplex elegans (Moquin-Tandon) D. Dietrich var. elegans Wheel Scale AMARANTHACEAE N Chenopodium incanum (S. Watson) Heller Mealy Goosefoot AMARANTHACEAE N Chenopodium cf. leptophyllum (Nuttall ex Moquin-Tandon) S. Watson AMARANTHACEAE N Dysphania graveolens (Willdenow) Mosyakin & Clemants Fetid Goosefoot AMARANTHACEAE N Krascheninnikovia lanata (Pursh) Meeuse & Smits Winter Fat AMARANTHACEAE N Salsola collina P.S. Pallas Slender Russian Thistle AMARANTHACEAE N Salsola tragus Linnaeus Russian-Thistle ANACARDIACEAE N Rhus microphylla Engelmann ex Gray Littleleaf Sumac ANACARDIACEAE N Rhus trilobata Nuttall Skunkbush Sumac APIACEAE N Cymopterus multinervatus (Coulter & Rose) Tidestrom Purple-Nerve Spring-Parsley APIACEAE N Daucus pusillus Michaux Southwestern Wild Carrot APIACEAE N Lomatium orientale Coulter & Rose Eastern Desert- Parsley APIACEAE N Spermolepis echinata (Nuttall ex A.P. de Candolle) Heller Bristly Scaleseed APOCYONACEAE N Asclepias asperula (Decaisne) Woodson Spider Milkweed N – Native; E – Exotic; P - Planted VASCULAR FLORA OF CITY OF ROCKS STATE PARK (2004-2016) by William Norris, Timothy Geddes, Javier Kirker, Gene Jercinovic and George Cox Updated Dec. 27 2016 APOCYONACEAE N Asclepias emoryi (Greene) Vail Emery's Comet APOCYONACEAE N Asclepias oenotherioides Chamisso & Schlectendal Zizotes Milkweed APOCYONACEAE N Asclepias subverticillata (Gray) Vail Horsetail Milkweed ASTERACEAE N Acourtia nana (Gray) Reveal & King Dwarf Desert Holly ASTERACEAE N Acourtia wrightii (Gray) Reveal & King Wright's Desert Holly ASTERACEAE N Aldama cordifolia (A. Gray) EE. Schilling & Panero Heart-Leaf Goldeneye ASTERACEAE N Amauriopsis dissecta (Gray) Rydberg Ragged-Leaf Bahia ASTERACEAE N Ambrosia acanthicarpa Hooker Bur Ragweed ASTERACEAE N Ambrosia confertiflora A.P. de Candolle Weak-Leaf Ragweed ASTERACEAE N Aphanostephus ramosissimus A.P. de Candolle var. humilis Low Faintcrown (Bentham) Turner & Birdsong ASTERACEAE N Artemisia ludoviciana Nuttall var. Wormwood ASTERACEAE N Baccharis pteronioides A.P. de Candolle Yerba-De-Pasmo ASTERACEAE N Baccharis salicifolia (Ruiz & Pavon) Persoon Willow Baccharis ASTERACEAE N Baccharis sarothoides Gray Broom Seep Willow ASTERACEAE N Baccharis thesioides Humboldt, Bonpland, & Kunth Arizona Seep Willow ASTERACEAE N Bahia absinthifolia Bentham Hairy-Seed Bahia ASTERACEAE N Bahia biternata Gray Slim-Lobe Bahia ASTERACEAE N Baileya multiradiata Harvey & Gray ex Gray Desert Marigold ASTERACEAE N Berlandiera lyrata Bentham Lyre-Leaf Greeneyes, Chocolate-Flower ASTERACEAE N Brickellia californica (Torrey & Gray) Torrey California Brickellbush ASTERACEAE N Brickellia eupatorioides (Linnaeus) Shinners var. False Boneset corymbosa (Torrey and Gray) Shinners ASTERACEAE N Brickellia floribunda Gray Chihuahuan Brickellbush ASTERACEAE N Brickellia laciniata Gray Cut-Leaf Brickellbush ASTERACEAE N Brickellia lemmonii Gray var. lemmonii Lemmon's Brickllbush ASTERACEAE N Brickellia microphylla (Nuttall) Gray var. scabra Gray Little-Leaf Brickellbush ASTERACEAE N Psilostrophe tagetina (Nuttall) Greene Paper-Flower ASTERACEAE N Calycoseris wrightii Gray Wright's Tackstem ASTERACEAE I Centaurea melitensis Linnaeus Malta Starthistle ASTERACEAE N Chaetopappa ericoides (Torrey) Nesom Sand Aster ASTERACEAE N Chaenactis stevioides Hooker & Arnott Desert Pincushion ASTERACEAE N Cirsium neomexicanum Gray New Mexico Thistle ASTERACEAE N Cirsium ochrocentrum Gray var. martinii (P. Barlow-Irick) Martin's Thistle Keil ASTERACEAE N Cirsium undulatum (Nuttall) Sprengel Wavy-Leaf Thistle ASTERACEAE N Conyza canadensis (Linnaeus) Cronquist Horseweed ASTERACEAE N Cosmos parviflorus (Jacquin) Persoon Southwestern Cosmos N – Native; E – Exotic; P - Planted VASCULAR FLORA OF CITY OF ROCKS STATE PARK (2004-2016) by William Norris, Timothy Geddes, Javier Kirker, Gene Jercinovic and George Cox Updated Dec. 27 2016 ASTERACEAE N Dyssodia papposa (Ventenat) Hitchcock Fetid-Marigold ASTERACEAE N Ericameria laricifolia (Gray) Shinners Turpentine Bush ASTERACEAE N Erigeron divergens Torrey & Gray Spreading Fleabane ASTERACEAE N Erigeron tracyi Greene Running Fleabane ASTERACEAE N Flourensia cernua A.P. de Candolle Tarbush ASTERACEAE N Gaillardia pulchella Fougeroux Firewheel ASTERACEAE N Gutierrezia microcephala (A.P. de Candolle) Gray Thread-Leaf Snakeweed ASTERACEAE N Gutierrezia sarothrae (Pursh) Britton & Rusby Broom Snakeweed ASTERACEAE N Gutierrezia wrightii A. Gray Wright's Snakeweed ASTERACEAE N Hedosyne ambrosiifolia (A. Gray) Strother Ragged Marsh- Elder ASTERACEAE N Helianthus annuus L. Common Sunflower ASTERACEAE N Heliomeris longifolia (B.L. Robinson & J.L. Greenman) Long-Leaf Cockerell var. annua Goldeneye ASTERACEAE N Heterosperma pinnatum Cavanilles Wing-Petal ASTERACEAE N Heterotheca subaxillaris (Lamarck) Britton & Rusby var. Camphorweed latifolia (Buckley) Gandhi & R.D. Thomas ASTERACEAE N Hymenopappus filifolius Hooker Fine-Leaf Woolywhite ASTERACEAE N Hymenothrix wislizeni Gray Trans-Pecos Thimblehead ASTERACEAE N Hymenoxys odorata A.P. de Candolle Poison Rubberweed ASTERACEAE N Isocoma tenuisecta Greene Burroweed ASTERACEAE N Laennecia coulteri (A. Gray) Nesom Coulter's Woolwort ASTERACEAE N Lasianthaea podocephala (Gray) Baker San Pedro Daisy ASTERACEAE N Layia glandulosa (Hooker) Hooker & Arnott White Tidytips ASTERACEAE N Leuciva dealbata (A. Gray) Rydberg Wooly Marsh-Elder ASTERACEAE N Machaeranthera tanacetifolia (Kunth) Nees Tahoka-Daisy ASTERACEAE N Malacothrix fendleri Gray Fendler's Desert- Dandelion ASTERACEAE N Melampodium leucanthum Torrey & Gray Plains Blackfoot - Daisy ASTERACEAE N Parthenium incanum Kunth Mariola ASTERACEAE N Pectis angustifolia Torrey var. Lemonweed ASTERACEAE N Pectis cylindrica (Fernald) Rydberg Sonoran Chinchweed ASTERACEAE N Pectis prostrata Cavanilles Dwarf Lemonweed ASTERACEAE N Pseudognaphalium canescens (A.P. de Candolle) W.A. Wright's Rabbit Weber Tobacco ASTERACEAE N Pseudognaphalium stramineum (Kunth) W.A. Weber Cotton-Batting- Plant ASTERACEAE N Psilostrophe tagetina (Nuttall) Greene Paper-Flower (Nuttall) Greene ASTERACEAE N Rafinesquia neomexicana Gray Desert Chicory ASTERACEAE N Sanvitalea aberti Gray Abert's Dome ASTERACEAE N Schkuhria pinnata(Lamarck) Kuntze ex Thellung var. Wislizenus's wislizeni (Gray) B.L. Turner threadleaf ASTERACEAE N Senecio flaccidus Lessing var. flaccidus Thread-Leaf N – Native; E – Exotic; P - Planted VASCULAR FLORA OF CITY OF ROCKS STATE PARK (2004-2016) by William Norris, Timothy Geddes, Javier Kirker, Gene Jercinovic and George Cox Updated Dec. 27 2016 Groundsel ASTERACEAE N Stephanomeria pauciflora (Torrey) A. Nelson Few-Flowered Wire Lettuce ASTERACEAE N Thelesperma megapotamicaum (Sprengel) Kuntze Navajo-Tea ASTERACEAE N Thymophylla acerosa (A.P. de Candolle) Strother Prickle-Leaf Dogwood ASTERACEAE N Thymophylla pentachaeta (A.P. de Candolle) Small var. Parralena ASTERACEAE N Trixix californica Kellogg California Threefold ASTERACEAE N Uropappus lindleyi (A.P. de Candolle) Nuttall Silverpuffs ASTERACEAE N Verbesina encelioides (Cavanilles) Bentham & Hooker var. Golden Crownbeard exauriculata B.L. Robinson & J.L. Greenman ASTERACEAE N Xanthisma gracile (Nuttall) Morgan & Hartman Slender Sleep-Daisy ASTERACEAE N Xanthisma spinulosum (Pursh) Morgan & Hartman Sleep-Daisy ASTERACEAE N Xanthium strumarium Linnaeus var. Rough Cocklebur ASTERACEAE N Zinnia grandiflora Nuttall Plains Zinnia BORAGINACEAE N Cryptantha barbigera (Gray) Greene Bearded Cat-Eye BORAGINACEAE N Cryptantha cinerea (Greene) Cronquist James's Cat's-Eye BORAGINACEAE N Cryptantha crassisepala (Torrey & Gray) Greene var. Thick-Sepal Cat's- elachanthta I.M. Johnston Eye BORAGINACEAE N Cryptantha micrantha (Torrey) I.M. Johnston Red-Root Cat's-Eye BORAGINACEAE N Cryptantha pterocarypa (Torrey) Greene Winged Cat-Eye BORAGINACEAE N Lappula occidentalis (S. Watson) Greene var. occidentalis Spiny Sheepbur BORAGINACEAE N Lithospermum incisum Lehmann Fringed Gromwell