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Home , Abutilon palmeri, Achyronychia, Acourtia nana, Acourtia wrightii, Adenophyllum, Allium macropetalum

Checklist of Vascular of Pipe National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Anisacanthus thurberi (Torrey) A. Gray honeysuckle ANTH2 Acanthaceae Carlowrightia arizonica A. Gray CAAR7 Acanthaceae Dicliptera resupinata (Vahl) de Jussieu DIRE4 Acanthaceae californica (Bentham) D.N. Gibson Chuparosa JUCA8 Acanthaceae Justicia candicans (Nees) L.D. Benson JUCA9 Acanthaceae Justicia longii Hilsenbeck JULO3 Acanthaceae Ruellia nudiflora (Engelmann & A. Gray) Urban var. nudiflora RUNUN

Agavaceae ×ajoensis W.C. Hodgson Ajo Mountains agave AGAJ (hybrid) Agavaceae Agave deserti Engelmann subsp. simplex Gentry Desert agave AGDE Agavaceae Agave schottii Engelmann Shin dagger AGSC3 Agavaceae Yucca baccata Torrey Banana yucca YUBA Mesembryanthemum crystallinum Linnaeus Crystal iceplant MECR3 Aizoaceae Mesembryanthemum nodiflorum Linnaeus Slenderleaf iceplant MENO2 Aizoaceae Trianthema portulacastrum Linnaeus Horse purslane TRPO2 Amaranthus albus Linnaeus Pigweed AMAL Amaranthaceae Amaranthus crassipes Schltdl. Var. crassipes Spreading AMCRC Amaranthaceae Amaranthus fimbriatus (Torrey) Bentham ex S. Watson Fringed pigweed AMFI Amaranthaceae Amaranthus palmeri S. Watson Careless weed, pigweed AMPA

Amaranthaceae Amaranthus xtucsonensis Henrickson Tucson amaranth AMTU2 Amaranthaceae Gomphrena sonorae Torrey Sonoran globe- GOSO amaranth Amaranthaceae Tidestromia lanuginosa (Nuttall) Standley Honeysweet TILA2 Anacardiaceae Rhus trilobata Nuttall var. trilobata (Nuttall) A. Gray ex S. Skunkbush RHTRT Watson Apiaceae Bowlesia incana Ruiz & Pavon Hairy bowlesia BOIN3 Apiaceae Cyclospermum leptophyllum (Pers.) Sprague ex Britt. & P. Marsh parsley CYLE7 Wilson Apiaceae Daucus pusillus Michaux Wild carrot DAPU3 Apiaceae Lomatium nevadensis (S. Watson) Coulter & Rose wild-parsley LONE Apiaceae Spermolepis echinata (Nuttall) Heller Scale- SPEC2 Apiaceae Yabea microcarpa (Hooker & Arnott) Koso-Poljanski False carrot YAMI Apocynaceae Haplophyton cimicidum A. de Candolle Cockroach HACI3 watsonii Wooton & Standley Indian- ARWA Asclepiadaceae Asclepias linaria Cavanilles Slender- milkweed ASLI6

Asclepiadaceae Asclepias nyctaginifolia A. Gray Mojave milkweed ASNY Asclepiadaceae Asclepias subulata Decaisne Rush milkweed, reed ASSU milkweed Asclepiadaceae Cynanchum arizonicum (A. Gray) Shinners CYAR12 Asclepiadaceae Funastrum cynanchoides (Decaisne) Schlechter ssp. hartwegii Narrowleaf climbing FUCYH2 (Vail) Krings milkweed Asclepiadaceae Matelea cordifolia (A. Gray) Woodson MACO27 Asclepiadaceae Matelea parvifolia (Torrey) Woodson MAPA9 Acamptopappus sphaerocephalus (Harvey & A. Gray) A. Gray Goldenhead ACSP

Page 1 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Asteraceae nana (A. Gray) Reveal & R.M. King Desert holly ACNA2 Asteraceae Acourtia wrightii (A. Gray) Reveal & R.M. King Brownfoot ACWR5 Asteraceae Adenophyllum porophylloides (A. Gray) Strother Dogweed ADPO Asteraceae Ageratina paupercula (A. Gray) R.M. King & H. Rob. Santa Rita snakeroot AGPA13 Asteraceae Ambrosia ambrosioides (Cavanilles) W.W. Payne AMAM2 Asteraceae Ambrosia confertiflora de Candolle Slimleaf ragweed AMCO3 Asteraceae Ambrosia cordifolia (A. Gray) W.W. Payne Sonoran bursage AMCO4 Asteraceae Ambrosia deltoidea (Torrey) W.W. Payne Triangleleaf bursage AMDE4 Asteraceae (A. Gray) W.W. Payne White bursage AMDU2 Asteraceae Antheropeas lanosum (A. Gray) Rydberg Woolly daisy ANLA7 Asteraceae Artemisia dracunculus Linnaeus Tarragon ARDR4 Asteraceae Artemisia ludoviciana Nuttall ssp. albula (Wooton) D.D. Keck Western mugweed ARLUA

Asteraceae brachyphylla A. Gray Shortleaf baccharis BABR Asteraceae Baccharis salicifolia (Ruiz & Pavon) Persoon Seep willow BASA4 Asteraceae Baccharis sarothroides A. Gray Desert broom BASA2 Asteraceae Baileya multiradiata Harvey & A. Gray Desert marigold BAMU Asteraceae Baileya pleniradiata Harvey & A. Gray ex A. Gray Wooly desert marigold BAPL3

Asteraceae Bebbia juncea (Bentham) Greene var. aspera Greene Sweetbush BEJUA Asteraceae californica (Torrey & Gray) A Gray brickell-bush BRCA3

Asteraceae Brickellia coulteri A. Gray var. coulteri Triangleleaf brickell- BRCO bush Asteraceae Brickellia frutescens A. Gray Shrubby brickell-bush BRFR Asteraceae wrightii A. Gray White tackstem CAWR Asteraceae Carthamus tinctorius Linnaeus Safflower CATI Asteraceae Centaurea melitensis Linnaeus Malta star-thistle CEME2 Asteraceae Chaenactis carphoclinia A. Gray var. carphoclinia Pebble pincushion CHCAC Asteraceae Chaenactis stevioides Hooker & Arnot Desert pincushion CHST Asteraceae neomexicanum A Gray New thistle CINE Asteraceae Conyza canadensis (L.) Cronquist var. glabrata (A. Gray) Horseweed COCAG Cronquist Asteraceae Eclipta prostrata (Linnaeus) Linnaeus False daisy ECPR Asteraceae Encelia farinosa A. Gray var. farinosa Brittlebush ENFA Asteraceae Encelia farinosa x E frutescens var frutescens [putative hybrid] *no code*

Asteraceae Encelia frutescens (A. Gray) A. Gray Button encelia ENFR Asteraceae cuneata (A. Gray) McClatchie var. spathulata (A. Desert rock-goldenbush ERCUS Gray) H.M. Hall Asteraceae Ericameria laricifolia (A. Gray) Shinners Turpentine bush ERLA12 Asteraceae Erigeron divergens Torrey & Gray var. divergens Desert fleabane ERDI4 Asteraceae Evax verna Raf. var. verna Spring pygmy cudweed EVMU

Asteraceae Gaillardia arizonica A Gray blanket- GAAR2

Asteraceae Gamochaeta stagnalis (I.M. Johnston) Anderb. Desert cudweed *no code* Asteraceae Geraea canescens Torrey & A. Gray Desert sunflower GECA2

Page 2 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Asteraceae Gnaphalium palustre Nuttall Lowland cudweed GNPA Asteraceae Gutierrezia arizonica (A. Gray) M.A. Lane Arizona snakeweed GUAR Asteraceae Gutierrezia sarothrae (Pursh) Britton & Rusby Broom snakeweed GUSA2 Asteraceae Gymnosperma glutinosum (Sprengel) Lessing Gumhead GYGL Asteraceae Helianthus annuus Linnaeus Common sunflower HEAN3 Asteraceae Hymenoclea monogyra Torrey & A. Gray ex A. Gray Slender burrobrush HYMO Asteraceae Hymenoclea salsola Torrey & A. Gray ex A. Gray var. White burrobush HYSAP pentalepis (Rydberg) L.D. Benson Asteraceae Hymenothrix wislizenii A. Gray Sandwash groundsel HYWI Asteraceae Isocoma acradenia (Greene) Greene var. acradenia Goldenbush ISACA2 Asteraceae Koanophyllon palmeri (A. Gray) R.M. King & H. Rob. var. Umbrella thoroughwort palmeri Asteraceae Lactuca serriola Linnaeus Prickly lettuce LASE Asteraceae Laennecia coulteri (A. Gray) G.L. Nesom Horseweed LACO13 Asteraceae Logfia arizonica (A. Gray) Holub Arizona fluffweed LOAR12 Asteraceae Logfia californica (Nuttall) Holub Californica fluffweed LOCA19 Asteraceae Logifa depressa (A. Gray) Holub Dwarf fluffweed LODE9 Asteraceae B.L. Turner & Horne Arid spiny-aster MAAR5 Asteraceae Machaeranthera asteroides (Torrey) Greene var. glandulosa Fall spiny-aster MAASG B.L. Turner Asteraceae Machaeranthera carnosa (A. Gray) G.L. Nesom var. carnosa Alkali spiny-aster MACAC5

Asteraceae Machaeranthera gracilis (Nuttall) Shinners Slender goldenweed MAGR10 Asteraceae Machaeranthera pinnatifida (Hooker) Shinners subsp. Goodding's spiny-aster MAPIG gooddingii (A. Nelson) B.L. Turner & Hartman Asteraceae Machaeranthera tagetina Greene Mesa spiny-aster MATA Asteraceae fendleri A. Gray MAFE Asteraceae Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray MAGL3 Asteraceae Malacothrix sonorae W.S. Davis & P.H. Raven MASO6 dandelion Asteraceae Microseris lindleyi (De Candolle) A. Gray Silver puffs URLI Asteraceae belloides (A. Gray) H.M. Hall star MOBE2 Asteraceae Oncosiphon piluliferum (L.F.) Kallersjo Stinknet ONPI Asteraceae Packera quercetorum (Greene) C. Jeffrey Oak Creek ragwort PAQU8 Asteraceae Palafoxia arida B.L. Turner & M.I. Morris var. arida Spanish needles PAARA2 Asteraceae Parthenice mollis A. Gray Annual monsterwort PAMO2 Asteraceae Pectis linifolia Linnaeus var linifolia PELI9 Asteraceae Pectis papposa Harvey & A. Gray var. papposa Desert chinchweed PEPAP3 Asteraceae Perityle ajoensis T.K. Todsen Ajo rock-daisy PEAJ Asteraceae Perityle emoryi Torrey Desert rock-daisy PEEM Asteraceae Pleurocoronis laphamioides (Rose) R.M. King & H. Robinson Arrow-leaf PLLA14

Asteraceae Pleurocoronis pluriseta (A. Gray) King & H. Rob. Arrow-leaf PLPL Asteraceae Pluchea odorata (Linnaeus) Cassini var. odorata Marsh fleabane, alkali PLOD camphorweed Asteraceae Pluchea sericea (Nuttall) Coville Arrowweed PLSE Asteraceae Porophyllum gracile Bentham Odora POGR5 Asteraceae Prenanthella exigua (A. Gray) Rydberg PREX

Page 3 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Asteraceae Pseudognaphalium canescens (de Candolle) W.A. Weber Wright's cudweed PSCA11

Asteraceae Psilostrophe cooperi (A. Gray) Greene Paperflower PSCO2 Asteraceae Rafinesquia californica Nuttall California chicory RACA Asteraceae Rafinesquia neomexicana A. Gray Desert chicory RANE Asteraceae Senecio flaccidus Lessing var. monoensis (Greene) B.L. Turner Sandwash groundsel SEFL3 & T.M. Barkley Asteraceae Senecio lemmoni A. Gray Lemmon groundsel SELE8 Asteraceae Senecio mohavensis A. Gray Mojave groundsel SEMO3 Asteraceae Sonchus asper (Linnaeus) Hill Spiny sowthistle SOAS Asteraceae Sonchus oleraceus Linnaeus Common sowthistle SOOL Asteraceae Stephanomeria exigua Nuttall ssp. exigua Wire-lettuce STEXE Asteraceae Stephanomeria pauciflora (Torrey) Nelson var. pauciflora Desert straw STPA4 Asteraceae Stylocline gnaphaloides Nuttall Mountain neststraw STGN Asteraceae Stylocline micropoides A. Gray Desert neststraw STMI2 Asteraceae concinna (A. Gray) Strother Dogweed THCO10 Asteraceae Thymophylla pentachaeta (de Candolle) Small var. belenidium Fiveneedle pricklyleaf THPEB (de Candolle) Strother Asteraceae Townsendia annua Beaman Annual Townsend daisy TOAN

Asteraceae Trichoptilium incisum (A. Gray) A. Gray Yellowhead TRIN2 Asteraceae Trixis californica Kellogg var. californica American threefold TRCA8 Asteraceae Verbesina encelioides (Cav.) Benth. & Hooker ex A. Gray Golden crownbeard VEEN Asteraceae Viguiera parishii Greene Parish goldeneye VIPA14 Asteraceae Zinnia acerosa (de Candolle) A. Gray Desert zinnia ZIAC Berberis harrisoniana Kearney & Peebles Kofa Mountain barberry BEHA2

Berberidaceae haematocarpa (Woot.) Fedde barberry MAHA4 Bignoniaceae Chilopsis linearis (Cavanilles) Sweet subsp. arcuata (Fosberg) Desert willow CHLIA Henrickson menziesii (Lehmann) A. Nelson & J.F. Macbride var. Common fiddleneck AMMEI2 intermedia (Fisch. & C.A. Mey.) Ganders Boraginaceae Amsinckia tessellata A. Gray Checker fiddleneck AMTE3 Boraginaceae angustifolia (Torrey) Greene Desert cryptantha CRAN4 Boraginaceae Cryptantha barbigera (A. Gray) Greene Bearded cryptantha CRBA5 Boraginaceae Cryptantha maritima (Greene) Greene White-haired cryptantha CRMA7

Boraginaceae Cryptantha pterocarya (Torrey) Greene var. cycloptera Wing-nut cryptantha CRPTC (Greene) J.F. Macbride Boraginaceae Harpagonella palmeri A Gray Grappling-hook borage HAPA7

Boraginaceae Heliotropium curassavicum Linnaeus Alkali heliotrop HECU3 Boraginaceae Lappula occidentalis (S. Watson) Greene Stickseed LAOC3 Boraginaceae Pectocarya heterocarpa (I.M. Johnson) I. M. Johnson Mixed-nut comb-bur PEHE Boraginaceae Pectocarya platycarpa Munz & I.M. Johnston Broad-wing comb-bur PEPL Boraginaceae Pectocarya recurvata I.M. Johnston Arched comb-bur PERE Boraginaceae Plagiobothrys arizonicus (A. Gray) Greene Arizona popcorn-flower PLAR

Page 4 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Boraginaceae Plagiobothrys jonesii A. Gray PLJO Boraginaceae Tiquilia canescens (de Candolle) A.T. Richardson Woolly crinklemat TICA3 Brassicaceae Arabis perennans S. Watson Rock cress ARPE2 Brassicaceae Brassica nigra (Linnaeus) W.D.J. Koch Black mustard BRNI Brassicaceae Brassica tournefortii Gouan Sahara mustard BRTO Brassicaceae Descurainia pinnata (Walter) Britton Tansy mustard DEPI Brassicaceae Draba cuneifolia Nuttall ex Torrey & A. Gray Wedgeleaf draba DRCU Brassicaceae Eruca vesicaria (L.) Cav. subsp. sativa (Mill.) Thell. Garden rocket ERVES Brassicaceae Erysimum capitatum (Douglas ex Hooker) Greene Western wallflower ERCA14 Brassicaceae Guillenia lasiophylla (Hooker & Arnott) Payson GULA4 Brassicaceae Lepidium densiflorum Schrader LEDE Brassicaceae Lepidium lasiocarpum Nuttall Sand peppergrass LELA Brassicaceae Lepidium thurberi Wooton Arizona peppergrass LETH2 Brassicaceae Lesquerella tenella A. Nelson Desert bladderpod LETE3 Brassicaceae Lyrocarpa coulteri Hooker & Harvey var. coulteri Lyre-pod LYCOC Brassicaceae Matthiola longipetala (Vent.) De Candolle Night-scented stock MALO3 Brassicaceae Nasturtium officinale R. Br. Watercress NAOF Brassicaceae Schoenocrambe linearifolia (A. Gray) Rollins Purple rock-mustard SCLI12 Brassicaceae Sisymbrium irio Linnaeus London rocket SIIR Brassicaceae Sisymbrium orientale Linnaeus Asian rocket SIOR4 Brassicaceae Streptanthella longirostris (S. Watson) Rydberg Long-beak twist-flower STLO4

Brassicaceae Streptanthus carinatus A. Gray subspecies arizonicus (S. Arizona jewelflower STCAA Watson) Kruckeb. et al Brassicaceae Thelypodium wrightii A. Gray subsp. wrightii THWRW Brassicaceae Thysanocarpus curvipes Hooker Lacepod THCU Burseraceae Bursera microphylla A. Gray Elephant BUMI Cactaceae Carnegiea gigantea (Engelmann) Britton & Rose CAGR10 Cactaceae acanthocarpa (Engelmann & J.M. Bigelow) Buckhorn cholla CYACM Knuth var. major (Engelmann & J.M. Bigelow) Pinkava

Cactaceae Cylindropuntia acanthocarpa x C. spinosior Buckhorn x cane cholla *no code* hybrid Cactaceae Cylindropuntia arbuscula (Engelmann) F. M. Knuth Pencil cholla CYAR14 Cactaceae (Engelmann) F. M. Knuth var. bigelovii Teddybear cholla CYBI9

Cactaceae (Engelmann) F.M. Knuth var. fulgida Chain- cholla; CYFUF jumping cholla Cactaceae Cylindropuntia fulgida (Engelmann) F.M. Knuth var. mamillata CYFUM (Schott ex Engelmann) J.M. Coulter Cactaceae Cylindropuntia leptocaulis (de Candolle) F.M. Knuth Christmas cholla CYLE8 Cactaceae Cylindropuntia ramosissima (Engelmann) F.M. Knuth Diamond cholla CYRA9 Cactaceae (Engelmann) F.M. Knuth Cane cholla CYSP Cactaceae Cylindropuntia versicolor (Engelmann ex J.M. Coulter) F.M. Staghorn cholla CYVE3 Knuth Cactaceae engelmannii (Parry ex Englemann) Lemaire var. Strawberry hedgehog ECENA acicularis L.D. Benson cactus

Page 5 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Cactaceae Echinocereus nicholii (L.D. Benson) B.D. Parfitt Golden hedgehog ECNI cactus Cactaceae Echinocereus santaritensis W. Blum & Rutow Claretcup cactus *no code* Cactaceae erectocentrus (J.M. Coulter) Britton & Rose var. Acuna cactus ECERA acunensis (W.T. Marshall) Bravo Cactaceae cylandraceus (Engelmann) Orcutt var. cylandaceus Desert barrel cactus FECYC

Cactaceae (Engelmann) Orcutt Emory's barrel cactus FEEM Cactaceae Ferocactus wislizenii (Englemann) Britton & Rose Compass barrel cactus, FEWI fishhook barrel Cactaceae kunzei (Rose) Pinkava Desert club cholla GRKU Cactaceae (Orcutt) Pinkava Parish club cholla GRPA11 Cactaceae grahamii Engelmann Arizona fishhook cactus MAGR9

Cactaceae Engelmann Corkseed fishhook MATE4 cactus Cactaceae Orcutt Slender fishhook cactus MATH

Cactaceae chlorotica Engelmann & J.M. Bigelow Pancake prickly pear OPCH Cactaceae Salm-Dyck var. engelmannii Desert prickly pear OPENE Cactaceae Opuntia engelmannii Salm-Dyck var. flavispina (L.D. Benson) Yellow-spined desert OPENF B.D. Parfitt & Pinkava prickly pear Cactaceae Opuntia engelmannii Salm-Dyck var. linguiformis (Griffiths) B.D. Cow-tongue prickly pear OPENL2 Parfitt & Pinkava Cactaceae Englemann Brown-spined prickly OPPH pear Cactaceae schottii (Engelmann) D.R. Hunt Senita PASC14 Cactaceae greggii (Engelmann) Britton & Rose var. Desert night-blooming PEGRT transmontanus (Engelmann) Backeberg cactus Cactaceae (Brandegee) F. Buxbaum Sonoran night-blooming PEST11 cactus Cactaceae thurberi (Engelmann) Buxbaum Organ pipe cactus STTH3 Campanulaceae Nemacladus glanduliferus Jepson Threadstem NEGL Campanulaceae Triodanis biflora (Ruiz & Pavon) Greene Venus' looking-glass TRBI2 Atamisquea emarginata Miers ex Hooker & Arnott Desert caper ATEM Capparaceae Polanisia dodecandra (Linnaeus) de Candolle Western clammyweed PODO3

Capparaceae Wislizenia refracta Engelmann subsp. refracta Jackass clover WIRER Caprifoliaceae Sambucus nigra L. subspecies cerulea (Raf.) Bolli Blue elderberry SANIC5 Achyronychia cooperi Torrey & A. Gray Sandmat ACCO3 Caryophyllaceae Cerastium texanum Britton Mouse-ear chickweed CETE3 Caryophyllaceae Herniaria hirsuta Linnaeus var. cinearea (de Candolle) Loret & Burstwort HEHIC Barrandon Caryophyllaceae Loeflingia squarrosa Nuttall Spreading pygmyleaf LOSQ Caryophyllaceae Silene antirrhina Linnaeus Sleepy catchfly SIAN2 Chenopodiaceae Atriplex canescens (Pursh) Nuttall var. canescens Four-wing saltbush ATCA2 Chenopodiaceae Atriplex elegans (Moquin-Tandon) D. Dietrich Wheelscale ATEL Chenopodiaceae Atriplex lentiformis (Torrey) S. Watson Lens scale, quail bush ATLE

Page 6 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Chenopodiaceae Atriplex linearis S. Watson Narrowlead saltbush *no code* Chenopodiaceae Atriplex pacifica A. Nelson Pacific orach ATPA Chenopodiaceae Atriplex polycarpa (Torrey) S. Watson Desert saltbush ATPO Chenopodiaceae Bassia hyssopifolia (Pall.) Kuntz Smother-weed BAHY Chenopodiaceae Chenopodium murale Linnaeus Netleaf goosefoot CHMU2 Chenopodiaceae Chenopodium watsonii A. Nelson CHWA Chenopodiaceae Monolepis nuttalliana (Schultes) Greene Poverty weed MONU Chenopodiaceae Nitrophylla occidentalis (Moquin-Tandon) S. Watson Alkali weed NIOC Chenopodiaceae Salsola tragus Linnaeus Russian thistle, SATR12 tumbleweed Chenopodiaceae Suaeda moquinii (Torrey) Greene Seepweed SUMO Commelinaceae Commelina erecta Linnaeus Day flower COER Convulvulaceae Cuscuta californica Hooker & Arnott California dodder CUCA Convulvulaceae Cuscuta salina Engelmann Dodder CUSA Convulvulaceae Cuscuta tuberculata Kunth Dodder CUTU Convulvulaceae Cuscuta umbellata Kunth Desert dodder CUUM Convulvulaceae Evolvulus alsinoides Linnaeus var. angustifolius Torrey Arizona blue-eyes EVALA2 Convulvulaceae Ipomoea costellata Torrey Pink morning glory IPCO2 Convulvulaceae Ipomoea cristulata Hallier creeper IPCR Convulvulaceae Ipomoea hederacea Jacquin Morning glory OPHE Convulvulaceae Jacquemontia pringlei A. Gray JAPR Crassulaceae Crassula connata (Ruiz & Pavon) Berger Pygmy stonecrop CRCO34 Crassulaceae Dudleya pulverulenta (Nuttall) Britton & Rose subspecies Arizona liveforever DUAR arizonica (Rose) Moran Crassulaceae Graptopetalum rusbyi (Greene) Rose GRRU Crossosomataceae Crossosoma bigelovii S. Watson Ragged rock-flower CRBI2

Cucurbitaceae Brandegea bigelovii (S. Watson) Cogniaux Desert starvine BRBI Cucurbitaceae Cucurbita digitata A. Gray gourd CUDI Cucurbitaceae Echinopepon wrightii (A. Gray) Watson Wild balsam apple ECWR Cucurbitaceae (Greene) Greene Big root MAGI Cucurbitaceae Tumamoca macdougalii Rose Tumamoc globeberry TUMA Cupressaceae Juniperus arizonicus (R.P.Adams) R.P.Adams Roseberry juniper *no code* Cyperaceae Cyperus laevigatus Linnaeus flat sedge CYLA2 Cyperaceae Cyperus mutisii (Kunth) Griseb. Mutis' flatsedge CYMU4 Cyperaceae Cyperus odoratus Linnaeus Fragrant flatsedge CYOD Cyperaceae Cyperus squarrosus Linnaeus Dwarf sedge CYSQ Cyperaceae Eleocharis geniculata (Linnaeus) Roemer & Schultes Spikerush ELGE Cyperaceae Eleocharis rostellata (Torrey) Torrey Traveling spikerush ELRO2 Cyperaceae Schoenoplectus americanus (Persoon) Volkart ex Schinz & R. Bulrush SCAM6 Keller Ephedraceae Ephedra aspera Engelmann ex S. Watson Mormon tea, boundary EPAS ephedra Acalypha californica Bentham Copperleaf ACCA3 Euphorbiaceae Argythamnia adenophora A. Gray Glandular silverbush ARAD2 Euphorbiaceae Argythamnia lanceolata (Bentham) Muller Argoviensis Narrowleaf silverbush ARLA12 Euphorbiaceae Argythamnia neomexicana Muller Argoviensis silverbush ARNE2

Page 7 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Euphorbiaceae Chamaesyce abramsiana (L.C. Wheeler) Koutnik Golondrina CHAB2 Euphorbiaceae Chamaesyce albomarginata (Torrey & A. Gray) Small Rattlesnake weed, CHAL11 golondrina Euphorbiaceae Chamaesyce arizonica (Engelmann) Arthur Golondrina CHAR18 Euphorbiaceae Chamaesyce capitellata Engelmann Golondrina CHCA29 Euphorbiaceae Chamaesyce (Engelmann) Millsp. Golondrina CHFL3 Euphorbiaceae Chamaesyce hyssopifolia (L.) Small Hyssop spurge CHHY3 Euphorbiaceae Chamaesyce melanadenia (Torrey) Millsp. Golondrina CHME5 Euphorbiaceae Chamaesyce micromera (Boissier ex Engelmann) Wooten & Golondrina CHMI7 Standley Euphorbiaceae Chamaesyce pediculifera (Engelmann) Rose & Standley Louse spurge, CHPE9 golondrina Euphorbiaceae Chamaesyce polycarpa (Bentham) Millsp. Ex Parish Desert spurge, golodrina CHPO12

Euphorbiaceae Chamaesyce prostrata (Aiton) Small CHPR6 Euphorbiaceae Chamaesyce setiloba (Engelmann ex Torrey) J.B.S. Norton Fringed spurge CHSE8 Euphorbiaceae Croton sonorae Torrey croton CRSO Euphorbiaceae brachycera Engelmann Horned spurge EURO5 Euphorbiaceae Euphorbia eriantha Bentham Beetle spurge EUER2 Euphorbiaceae Euphorbia heterophylla Linnaeus Wild pointsettia EUHE4 Euphorbiaceae cardiophylla (Torrey) Muller Argoviensis Limberbush JACA2 Euphorbiaceae Jatropha cinerea (Ortega) Muller Argoviensis Ashy limberbush JACI Euphorbiaceae Jatropha cuneata Wiggins & Rollins JACU Euphorbiaceae Sebastiana bilocularis S. Watson Mexican jumping bean SEBI9 Euphorbiaceae Stillingia linearifolia S. Watson STLI3 Euphorbiaceae Tragia nepetifolia Cavanilles Nose-burn TRNE Acacia angustissima (Miller) Kuntze var. suffrutescens (Rose) White-ball acacia ACANS2 Isely Fabaceae Acacia constricta Bentham White-thorn acacia ACCO2 Fabaceae Acacia greggii A. Gray Cat-claw acacia ACGR Fabaceae Astragalus didymocarpus Hooker & Arnott var. dispermus (A. ASDID Gray) M.E. Jones Fabaceae Astragalus lentiginosus var. australis Barneby ASLEA5 Fabaceae Astragalus lentiginosus var. yuccanus M.E. Jones ASLEY Fabaceae Astragalus nuttallianus de Candolle var. imperfectus (Rydberg) Small-flowered milk- ASNUI Barneby vetch Fabaceae Calliandra eriophylla Bentham Fairy duster CAER Fabaceae Coursetia glandulosa A. Gray Samota COGL18 Fabaceae Dalea mollis Bentham Silky dalea DAMO Fabaceae Dalea pogonathera A. Gray var. pogonathera DAPOP Fabaceae Dalea pringlei A. Gray var. Pringlei DAPR Fabaceae Desmodium procumbens (Miller) A.S. Hitchcock var. Tick clover DEPR2 procumbens Fabaceae Galactia wrightii A. Gray GAWR Fabaceae Lotus humistratus Greene Hill locust LOHU2 Fabaceae Lotus rigidus (Bentham) Greene Desert rock-pea LORI3 Fabaceae Lotus salsuginosus Greene var. brevivexillus Ottley 's-foot trefoil LOSAB

Page 8 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Fabaceae Lotus strigosus (Nuttall) Greene var. tomentellus (Greene) Isely Bird's-foot trefoil LOSTT

Fabaceae arizonicus (S. Watson) S. Watson Arizona lupine LUAR4 Fabaceae Lupinus concinnus Agardh Elegant lupine, bajada LUCO lupine Fabaceae Lupinus sparsiflorus Bentham Mohave lupine LUSP2 Fabaceae Marina parryi (Torrey & A. Gray ex A. Gray) Barneby MAPA7 Fabaceae Medicago polymorpha Linnaeus Bur-clover MEPO3 Fabaceae Melilotus indicus (Linnaeus) Allioni Sour-clover MEIN2 Fabaceae Mimosa distachya Cavanilles var. laxiflora (Bentham) Barneby Garabatillo MIDIL

Fabaceae Nissolia schottii (Torrey) A. Gray NISC Fabaceae Olneya tesota A. Gray Ironwood OLTE Fabaceae aculeata Linnaeus Mexican paloverde PAAC3 Fabaceae Parkinsonia florida (A. Gray ex A. Gray) S. Watson Blue palo verde PAFL6 Fabaceae Torrey Foothill paloverde PAMI5 Fabaceae Phaseolus acutifolius A. Gray ssp. acutifolius Wild tepary PHACA2 Fabaceae Phaseolus filiformis Bentham Desert bean PHFI3 Fabaceae Prosopis glandulosa Torrey var. torreyana (L.D. Benson) M.C. Western honey PRGLT Johnston mesquite Fabaceae Prosopis pubescens Bentham Screwbean mesquite PRPU Fabaceae Wooton Velvet mesquite PRVE Fabaceae Psorothamnus spinosus (A. Gray) Barneby Smoketree PSSP3 Fabaceae Rhynchosia senna Gillies ex Hooker & Arnott var. texana Rosary bean RHSET (Torrey & A. Gray) M.C. Johnston Fabaceae Senna covesii (A Gray) Barneby & Irwin Desert senna SECO10 Fabaceae Tephrosia vicioides Schlechtendal TEVI9 Fabaceae Trifolium mucronatum Willdenow ex Spreng. ssp. lacerum Cow clover TRMUL (Greene) J.M. Gillett Fabaceae Vicia ludoviciana Nuttall var. ludoviciana Deer-pea vetch VILUL2 Fagaceae Quercus turbinella Greene Scrub oak QUTU2 Fouqieriaceae splendens Engelmann Ocotillo FOSP Gentianaceae Centaurium arizonicum (A. Gray) Heller Centaury CEAR12 Gentianaceae Eustoma exaltatum (Linnaeus) G. Don forma albiflorum Benke Catchfly gentian EUEX5

Geraniaceae Erodium cicutarium (Linnaeus) L'Heritier ex Aiton Filaree, storksbill ERCI6 Geraniaceae Erodium texanum A. Gray False filaree ERTE13 Geraniaceae Geranium carolinianum Linnaeus Cranesbill GECA5 Grossulariaceae Ribes quercetorum Greene Oak-belt gooseberry RIQU Hydrophyllaceae Eucrypta chrysanthemifolia (Bentham) Greene var. bipinnatifida EUCHB (Torrey) Constance Hydrophyllaceae Eucrypta micrantha (Torrey) A. Heller EUMI2 Hydrophyllaceae Nama hispidum A. Gray Purplemat NAHI Hydrophyllaceae Phacelia affinis A. Gray PHAF Hydrophyllaceae Phacelia coerulea Green PHCO Hydrophyllaceae Phacelia crenulata Torrey ex S. Watson variety ambigua (M.E. Desert heliotrope, PHCRA2 Jones) J.F. Macbride scorpionweed Hydrophyllaceae Phacelia distans Bentham Caterpillar phacelia PHDI

Page 9 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Hydrophyllaceae Phacelia neglecta M.E. Jones PHNE Hydrophyllaceae Phacelia pedicellata A. Gray Stinking phacelia PHPE Hydrophyllaceae Phacelia ramosissima Douglas ex Lehmann PHRA2 Hydrophyllaceae Phacelia rotundifolia Torrey ex S. Watson Roundleaf phacelia PHRO2 Hydrophyllaceae Pholistoma auritum (Lindley) Lilja var. arizonicum (M.E. Jones) Arizona fiestaflower PHAUA Constance Iridaceae Sisyrinchium demissum Greene Blue-eyed grass SIDE4 Juncaceae Juncus bufonius Linnaeus Toad rush JUBU Juncaceae Juncus cooperi Engelmann Spiny rush JUCO3 Juncaceae Juncus mexicanus Willdenow ex Schultes & Schultes f. Wire rush JUME4 Koeberliniaceae spinosa Zucc. All-thorn, crown-of- KOSP thorns Krameriaceae Krameria erecta Willdenow ex Schultes Range ratany KRER Krameriaceae Krameria grayi Rose & Painter White ratany KRGR Lamiaceae Hedeoma nana (Torrey) Briquet var. macrocalyx W.S. Stewart False pennyroyal HENAM

Lamiaceae Hyptis emoryi Torrey Desert lavender HYEM Lamiaceae Monardella arizonica Epling MOAR Lamiaceae Salazaria mexicana Torrey Bladder sage SAME Lamiaceae Salvia columbariae Bentham Desert chia SACO6 Lamiaceae Salvia pinguifolia (Fernald) Wooton & Standley Rock sage SAPI2 Lamiaceae Teucrium cubense Jacquin ssp. densum Jepson Small coastal TECUD2 germander Lamiaceae Teucrium glandulosum Kellog Sticky germander TEGL2 Rydberg Desert ALMA4 Liliaceae kennedyi Porter Desert mariposa lily CAKE Liliaceae Dichelostemma capitatum (Bentham) Wood ssp. pauciflorum Blue dicks, wild hyacinth DICAP (Torrey) Keator Liliaceae Hesperocallis undulata A. Gray Ajo lily HEUN2 Liliaceae Zephyranthes longifolia Hemsley Yellow zephyr lily ZELO Linaceae Linum perenne Linnaeus subsp. Lewisii (Pursh) Hulten Blue flax LIPE2 Eucnide rupestris (Baillon) H.J. Thomson & W.R. Ernst Rock nettle EURU5 Loasaceae affinis Greene Triangle-leaf blazing star MEAF2

Loasaceae Mentzelia albicaulis Douglas ex Hooker White-stem blazingstar MEAL6 Loasaceae Mentzelia involucrata Watson Silver stickleaf MEIN5 Loasaceae Mentzelia isolata H.S. Gentry MEIS Loasaceae Mentzelia multiflora (Nuttall) A. Gray Adonis blazingstar MEMU3 Loasaceae Petalonyx linearis Greene Narrowleaf sandpaper PELI5 plant Loasaceae Petalonyx thurberi Gray var. thurberi sandpaper plant PETH4 Malpighiaceae Janusia gracilis A. Gray JAGR abutiloides (Jacquin) Garcke ex Britton & Wilson Shrubby indian-mallow ABAB

Malvaceae Abutilon incanum (Link) Sweet ABIN Malvaceae Abutilon malacum S. Watson Yellow indian-mallow ABMA3 Malvaceae Abutilon palmeri A. Gray Palmer's indian-mallow ABPA2

Page 10 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Malvaceae Anoda abutiloides A. Gray ANAB Malvaceae Anoda pentaschista A. Gray ANPE4 Malvaceae Eremalche exilis (A. Gray) Greene White mallow EREX3 Malvaceae Herissantia crispa (Linnaeus) Brizicky Bladder mallow HECR3 Malvaceae biseptus S. Watson HIBI Malvaceae Hibiscus coulteri Harvey Desert rose mallow HICO Malvaceae Hibiscus denudatus Bentham var. denudatus Rock hibiscus HIDE Malvaceae Horsfordia alata (S. Watson) A. Gray Pink velvet-mallow HOAL Malvaceae Horsfordia newberryi (S. Watson) A. Gray Orange velvet-mallow HONE Malvaceae Malva parviflora Linnaeus Cheeseweed MAPA5 Malvaceae Malvastrum bicuspidatum (S. Watson) Rose subsp. Shrubby falst mallow MABI2 bicuspidatum Malvaceae Rhynchosida physocalyx (A. Gray) Fryxell Buffpetal RHPH2 Malvaceae Sida abutifolia Miller Spreading fanpetals SIAB Malvaceae Sphaeralcea ambigua A. Gray subsp. ambigua Desert globemallow SPAMA Malvaceae Sphaeralcea coulteri (S. Watson) A. Gray Coulter's globemallow SPCO2 Malvaceae Sphaeralcea emoryi Torrey Emory's globemallow SPEM Malvaceae Sphaeralcea laxa Wooton & Standley Caliche globemallow SPLA Pedaliaceae Proboscidea altheaefolia (Bentham) Decaisne Yellow devil's claw PRAL4 Pedaliaceae Proboscidea parviflora (Wooton) Wooton & Standley ssp. Purple devil's claw PRPAP3 parviflora Molluginaceae Mollugo cerviana Seringe Threadstem carpetweed MOCE

Moraceae Ficus carica Linnaeus Fig FICA Moraceae Morus microphylla Buckley Little-leaf mulberry MOMI Najadaceae Najas marina Linnaeus Holly-leaf water-nymph, NAMA spiny najad Nolinaceae Nolina microcarpa S. Watson Beargrass NOMI Allionia incarnata Linnaeus Trailing windmills, ALIN trailing four-o'clock Nyctaginaceae coccinea Miller Red spiderling BOCO Nyctaginaceae Linnaeus var. erecta Spiderling BOER Nyctaginaceae Boerhavia intermedia M.E. Jones Fivewing spiderling BOER Nyctaginaceae Boerhavia megaptera Standley BOME Nyctaginaceae Boerhavia pterocarpa S. Watson BOPT Nyctaginaceae Boerhavia scandens Linnaeus Climbing wartclub BOSC Nyctaginaceae Boerhavia spicata Choisy BOSP Nyctaginaceae Boerhavia wrightii A. Gray Desert spiderling BOWR Nyctaginaceae laevis (Bentham) Curran var. villosa (Kellogg) Desert four-o'clock MILAV Spellenberg Nyctaginaceae Mirabilis multiflora (Torrey) A. Gray four-o'clock MILO2 Oleaceae Foresteria shrevei Standley Desert olive FOSH Oleaceae Menodora scabra A. Gray Twinberry MESC Onagraceae Camissonia boothii (Douglas) P.H. Raven ssp. condensata Woody bottle-washer CABOC (Munz) P.H. Raven Onagraceae Camissonia californica (Torrey & A. Gray) P.H. Raven CACA32 Onagraceae Camissonia chamaenerioides (A. Gray) P.H. Raven Willow-herb primrose CACH12

Page 11 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Onagraceae Camissonia claviformis (Torrey & Fremont) P.H. Raven subsp. White browneyes CACLP2 peeblesii (Munz) P.H. Raven Onagraceae Camissonia claviformis (Torrey & Fremont) P.H. Raven subsp. Yellow browneyes CACLR2 rubescens (P.H. Raven) P.H. Raven Onagraceae Epilobium canum (Greene) P.H. Raven subsp. latifolium trumpet EPCAL (Hooker) P.H. Raven Onagraceae Gaura mollis James Lizard tail GAMO5 Onagraceae Oenothera arizonica (Munz) W.L. Wagner Arizona evening OEAR4 primrose Onagraceae Oenothera primiveris A. Gray Yellow evening primrose OEPR

Orobanchaceae Orobanche cooperi (A. Gray) A. Heller Desert broomrape ORCO4 Orobanchaceae Orobanche fasciculata Nuttall Yellow broomrape ORFA Oxalidaceae Oxalis albicans Kunth Wood sorrel OXAL Papaveraceae Argemone gracilenta Greene Prickly-poppy ARGR3 Papaveraceae Argemone ochroleuca Sweet Mexican prickly-poppy AROC2 Papaveraceae Eschscholtzia californica Chamisso subsp. mexicana (Greene) Mexican gold poppy ESCAM C. Clark Papaveraceae Eschscholzia minutiflora S. Watson Little gold poppy ESMI Phytolaccaceae Rivina humilis Linnaeus Pigeon RIHU2 Plantaginaceae Plantago ovata Forsskal Woolly plaintain PLOV Plantaginaceae Plantago patagonica Jacq. PLPA2 Plumbaginaceae Plumbago zeylanica Linnaeus Doctor bush PLSC4 Achnatherum speciosum (Trin. & Rupr.) Barkworth Desert needlegrass ACSP12 Poaceae Aristida adscensionis Linnaeus Six-weeks three-awn ARAD Poaceae Aristida californica Thurberi var. glabrata Vasey California three-awn ARCAG Poaceae Aristida purpurea Nuttall var. nealleyi (Vasey) Allred Purple three-awn ARPUN Poaceae Aristida purpurea Nuttall variety parishii (Hitchcock) Allred Parish three-awn ARPUP5

Poaceae Aristida ternipes Cavanilles var. gentilis (Henrard) Allred Poverty three-awn ARTEG Poaceae Aristida ternipes Cavanilles var. ternipes Spidergrass ARTET Poaceae Avena fatua Linnaeus Wild oats AVFA Poaceae Bothriochloa barbinodis (Lagasca) Herter Cane bluestem BOBA3 Poaceae aristidoides (Kunth) Grisebach Six-weeks needle grama BOAR

Poaceae Bouteloua barbata Lagasca Six-weeks grama BOBA2 Poaceae Bouteloua curtipendula (Michaux) Torrey Sideoats grama BOCU Poaceae Bouteloua repens (Humboldt, Bonpland & Kunth) Scribner & Slender grama BORE2 Merrill Poaceae Bouteloua rothrockii Vasey Rothrock grama BORO2 Poaceae Bouteloua trifida Thurber ex S. Watson Red grama BOTR2 Poaceae Bromus carinatus Hooker & Arnott California brome BRCA5 Poaceae Bromus rubens Linnaeus Red brome, foxtail BRRU2 brome Poaceae Bromus tectorum Linnaeus Cheatgrass, downy BRTE chess Poaceae Cenchrus echinatus Linnaeus Southern sandbur CEEC Poaceae Chloris virgata Swartz Feather fingergrass CHVI4

Page 12 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Poaceae Cottea pappophoroides Kunth Cottea COPA13 Poaceae Cynodon dactylon (Linnaeus) Persoon var. dactylon Bermuda grass CYDA Poaceae Dactyloctenium aegyptium (Linnaeus) Willdenow Crowfoot grass DAAE Poaceae Dasyochloa pulchella (Kunth) Willdenow ex Rydberg Fluffgrass DAPU7 Poaceae californica (Bentham) Henrard Cottontop DICA8 Poaceae Distichlis spicata (Linnaeus) Greene Salt grass DISP Poaceae Echinochloa colona (Linnaeus) Link Junglegrass ECCO2 Poaceae Enneapogon cenchroides (Licht.) Roemer & J.A. Schultes ex Soft feather ENCE C.E. Hubbard pappusgrass Poaceae Enneapogon desvauxii P. Beauvois Spike pappusgrass ENDE Poaceae Eragrostis barrelieri Dav. Mediterranean lovegrass ERBA2

Poaceae Eragrostis cilianensis (Allioni) Vignolo ex Janchen Stinking lovegrass ERCI Poaceae Eragrostis lehmanniana Nees Lehmann's lovegrass ERLE Poaceae Eragrostis lugens Nees Mourning lovegrass ERLU Poaceae Eriochloa acuminata (J. Presl) Kunth var. acuminata Southwestern cupgrass ERACA

Poaceae Eriochloa aristata Vasey Bearded cupgrass ERAR5 Poaceae Heteropogon contortus (Linnaeus) P. Beauv ex Roemer & Tanglehead HECO10 Schultes Poaceae Hilaria belangeri (Steudel) Nash Curly mesquite HIBEB Poaceae Hordeum murinum Linnaeus subsp. glaucum (Steudel) Tzvelev Wild barley HOMUG

Poaceae Leptochloa dubia (Kunth) Nees Green sprangletop LEDU Poaceae Leptochloa fusca (Linnaeus) Kunth subsp. uninervia (J. Presl) Mexican sprangletop LEFUU N. Snow Poaceae Leptochloa panicea (Retzius) Ohwi subsp. brachiata (Steudel) Red sprangletop LEPAB N. Snow Poaceae Lycurus setosus (Nuttall) C. Reeder Wolftail, timothy LYSE3 Poaceae frutescens Scribner Bushy melica MEFR Poaceae Muhlenbergia appressa C.O. Goodding MUAP Poaceae Muhlenbergia dumosa Scribner ex Vasey Bamboo muhly MUDU3 Poaceae Muhlenbergia emersleyi Vasey Bull grass MUEM Poaceae Muhlenbergia fragilis Swallen Delicate muhly MUFR Poaceae Muhlenbergia microsperma (de Candolle) Trinius Littleseed muhly MUMI Poaceae Muhlenbergia porteri Scribner ex Beal Bush muhly MUPO2 Poaceae Muhlenbergia rigens (Bentham) Hitchcock Deer grass MURI2 Poaceae Muhlenbergia tenuifolia (Kunth) Kunth Slender muhly MUTE4 Poaceae Panicum antidotale Retzius Blue panicgrass PAAN4 Poaceae Panicum hallii Vasey Hall's panicgrass PAHA Poaceae Panicum hirticaule J. Presl var. hirticaule Mexican panicgrass PAHIH Poaceae Panicum obtusum Kunth mesquite PAOB Poaceae Buckley Pappus grass PAVA2 Poaceae Pennisetum ciliare (Linnaeus) Link Buffel grass PECI Poaceae Pennisetum setaceum (Forsskal) Chiovenda Fountain grass, plume PESE3 grass Poaceae Phalaris minor Retzius Little-seed canary grass PHMI3

Page 13 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Poaceae Phragmites australis (Cavanilles) Trinius ex Steudel Common reed PHAU7 Poaceae Pleuraphis rigida Thurber Big galleta PLRI Poaceae Poa annua Linnaeus Annual bluegrass POAN Poaceae Poa bigelovii Vasey & Scribner Bigelow bluegrass POBI Poaceae Polypogon monspeliensis (Linnaeus) Desfontaines Rabbit's-foot grass POMO5 Poaceae Polypogon viridis (Gouan) Breistroffer Water bentgrass POVI9 Poaceae Schismus arabicus Nees Arabian grass SCAR Poaceae Schismus barbatus (Loefling ex Linnaeus) Thellung Mediterranean grass SCBA Poaceae Setaria grisebachii E. Fournier Summer bristlegrass SEGR6 Poaceae Setaria leibmannii E. Fournier Summer bristlegrass SELI3 Poaceae Setaria macrostachya Humboldt, Bonpland & Kunth Plains bristlegrass SEMA5 Poaceae Sorghum halepense (Linnaeus) Persoon Johnson grass SOHA Poaceae Sporobolus airoides (Torrey) Torrey Alkali sacaton SPAI Poaceae Sporobolus cryptandrus (Torrey) Gray Sand dropseed SPCR Poaceae Sporobolus flexuosus (Thurber ex Vasey) Rydberg Mesa dropseed SPFL2 Poaceae Sporobolus pyramidatus (Lamarck) Hitchcock Whorled dropseed SPPY2 Poaceae Trichloris crinita (Lagasca) Parodi Feather fingergrass TRCR9 Poaceae Tridens eragrostoides (Vasey & Scribner) Nash Lovegrass tridens TRER Poaceae Tridens muticus (Torrey) A. Gray var. muticus Slim tridens TRMU Poaceae Triticum aestivum L Wheat TRAE Poaceae Urochloa arizonica (Scribn. & Merr.) O. Morrone & F. Zuloaga Arizona signal-grass URAR

Poaceae Vulpia microstachys (Nuttall) Munro variety microstachys Small fescue VUMIM Poaceae Vulpia octoflora (Walter) Rydberg var. octoflora Six-weeks fescue VUOCO Eriastrum diffusum (A. Gray) Mason Miniature woollystar ERDI2 Polemoniaceae Eriastrum eremicum (Jepson) H. Mason Desert woollystar ERER2 Polemoniaceae Gilia flavocincta A Nelson subsp. australis ( A.D. & V.E. Grant) Gilia GIGLA A.G. Day & V.E. Grant Polemoniaceae Gilia stellata Heller Gilia GIST Polemoniaceae Ipomopsis multiflora (Nuttall) V. Grant IPMU3 Polemoniaceae Langloisia setosissima (Torrey & A. Gray) Greene LASE3 Polemoniaceae aureus (Nuttall) J.M. Porter & L.A. Johnson ssp. Desert gold LEAUA3 aureus Polemoniaceae bigelovii (A. Gray) Greene LIBI2 Polemoniaceae Linanthus demissus (A. Gray) Greene Desert snow LIDE2 Polemoniaceae Phlox tenuifolia E. Nelson Santa Catalina Mountain PHTE6 phlox Polygalaceae Polygala macradenia A. Gray Milkwort POMA7 brevicornu Torrey Brittle spineflower CHBR Polygonaceae Chorizanthe currugata (Torrey) Torrey & A. Gray Wrinkled spineflower CHCO6 Polygonaceae Chorizanthe rigida (Torrey) Torrey & A. Gray Devil's spineflower, CHRI desert spiny-herb Polygonaceae abertianum Torrey Abert's wild- ERAB2 Polygonaceae Eriogonum deflexum Torrey Skeleton weed ERDE6 Polygonaceae Eriogonum fasciculatum Bentham var. polifolium (Bentham) Flat-topped wild- ERFAP Torrey & A. Gray buckwheat Polygonaceae Eriogonum inflatum Torrey & Fremont Desert trumpet ERIN4 Polygonaceae Eriogonum thomasii Torrey ERTH

Page 14 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Polygonaceae Eriogonum trichopes Torrey ERTR Polygonaceae Eriogonum wrightii Torrey ex Bentham var. nodosum (Small) Bastard sage ERWRN Reveal Polygonaceae Polygonum argyrocoleon Steudel ex Kunze Silversheath knotweed POAR5 Polygonaceae Pterostegia drymarioides Fischer & Meyer Woodland threadstem PTDR Polygonaceae Rumex hymenosepalus Torrey Arizona dock RUHY Portulacaceae Calandrinia ciliata (Ruiz & Pavon) De Candolle Red maids CACI2 Portulacaceae Cistanthe monandra (Nutall) Hershkovitz CIMO4 Portulacaceae Claytonia perfoliata (Donn ex Willdenow) ssp. mexicana Miner's lettuce CLPEM (Rydberg) John M Miller & K.L. Chambers Portulacaceae Phemeranthus aurantiacus (Engelmann) Kiger Orange fameflower PHAU13 Portulacaceae Portulaca halimoides Linnaeus Dwarf purslane POHA5 Portulacaceae Portulaca oleraceae Linnaeus Purslane POOL Portulacaceae Portulaca suffrutescens Engelmann POSU3 Portulacaceae Portulaca umbracticola Kunth ssp. umbracticola POUMU Portulacaceae Talinum paniculatum (Jacquin) Gaertner Jewels of Opar TAPA2 Potamogetonaceae Stuckenia pectinata (Linnaeus) Borner Sago pondweed STPE15 Primulaceae Anagallis arvensis L. Scarlet pimpernel ANAR Primulaceae Androsace occidentalis Pursh Rock ANOC2 Argyrochosma limitanae (Maxon) Windham ssp. limitanae Border cloak ARLIL Pteridaceae cochisensis (Goodding) D.M. Bentham & Windham Scaly star fern ASCOC3 ssp. cochisensis Pteridaceae Astrolepis sinuata (Lagasca ex Swartz) D.M. Benham & Wavy star fern ASSIS Windham subsp. sinuata Pteridaceae Bommeria hispida (Kuhn) L. Underwood Copper fern BOHI Pteridaceae Cheilanthes lindheimeri Hooker Fairy swords CHLIA Pteridaceae Cheilanthes parryi (D.C. Eaton) Domin Parry's lip fern CHPA Pteridaceae Cheilanthes villosa Davenport ex Maxon Villous lip fern CHVI Pteridaceae Cheilanthes wrightii Hooker Wright's lip fern CHWR Pteridaceae Cheilanthes yavapensis T. Reeves ex Windham Yavapai lip fern CHYA Pteridaceae Notholaena californica D.C. Eaton ssp. californica Indian fern NOCAC2 Pteridaceae Notholaena standleyi Maxon Star cloak fern NOST Pteridaceae Pellaea truncata Goodding Cliffbrake PETR3 Pteridaceae Pentagramma triangularis (Kaulfuss) Yatskievych, Windham & Silverback fern PETR7 Wollenweber Punicaceae Punica granatum Linnaeus Pomegranate PUGR2 Anemone tuberosa Rydberg Desert windflower ANTU Ranunculaceae drummondii Torrey & A. Gray Texas virgin's bower CLDR Ranunculaceae Delphinium scaposum Greene Barestem larkspur DESC Ranunculaceae Myosurus cupulatus S. Watson Mouse-tail MYCU Ranunculaceae Myosurus minimus Linnaeus Dwarf mouse-tail MYMI2 Resedaceae Oligomeris linifolia (Vahl) Macbride Desert cambess OLLI Colubrina california I.M. Johnston California snakebush COCA18 Rhamnaceae Ziziphus obtusifolia (Hooker ex Torrey & Gray) Gray Graythorn, white crucillo ZIOB

Rhamnaceae globosa I.M. Johnston var. pubescens I.M. Johnston Crucillo COGLP

Rhamnaceae betulifolia (Greene) V. Grub. var betulifolia Birchleaf buckthorn FRBEB Page 15 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Rhamnaceae ilicifolia Kellogg Hollyleaf buckthorn RHIL Rosaceae Vauquelinia californica (Torrey) Sargent subsp. sonorensis Sonoran Desert VACAS W.J. Hess & Henrickson rosewood apparine L. Desert bedstraw GAAP2 Rubiaceae Galium microphyllum A. Gray GAMI Rubiaceae Galium stellatum Kellog subspecies eremicum (Hilend & Starry bedstraw GAST Howell) Ehrend. Ruppiaceae Ruppia cirrhosa (Petagna) Grande Ditch-grass RUCI2 Rutaceae Ptelea trifoliata Linnaeus Hoptree PTTR Salicaceae Populus fremontii S. Watson ssp fremontii Fremont cottonwood POFR2 Salicaceae Salix gooddingii C.R. Ball Goodding willow SAGO Sapindaceae Dodonaea viscosa (Linnaeus) Jacquin Hop bush DOVI Sapindaceae Sapindus saponaria Linnaeus variety drummondii (Hooker & Soap-berry SAPAD Arnott) L.D. Benson Saururaceae Anemopsis californica (Nuttall) Hooker & Arnott Hierba del manso ANCA10 Scrophulariaceae Castilleja exserta (A. Heller) Chuang & Heckard subsp. exserta Owl's clover CAEXE

Scrophulariaceae Castilleja lanata Gray Indian paintbrush CALA24 Scrophulariaceae Keckiella antirrhinoides (Bentham) Straw subspecies Bush penstemon KEANM microphylla (A. Gray) Straw Scrophulariaceae Maurandella antirrhiniflora (Humboldt & Bonpland ex Snapdragon vine MAAN9 Willdenow) Rothm. subsp. antirrhiniflora Scrophulariaceae Mimulus guttatus de Candolle Yellow monkey flower MIGU Scrophulariaceae Mimulus rubellus A. Gray Pink monkey flower MIRU Scrophulariaceae Neogaerrhinum filipes (A. Gray) Rothm. Climbing snapdragon NEFI Scrophulariaceae Nuttallanthus texanus (Scheele) D.A. Sutton Texas toadflax NUTE Scrophulariaceae Penstemon parryi A. Gray Parry penstemon PEPA24 Scrophulariaceae Penstemon pseudospectabilis M.E. Jones var. Mojave beardtongue PEPSP pseudospectabilis Scrophulariaceae Pseudorontium cyathiferum (Bentham) Rothm. Desert snapdragon PSCY2 Scrophulariaceae Sairocarpus pussilus (Brandegee) D.A. Sutton Lesser snapdragon SAPU18 Scrophulariaceae Sairocarpus watsonii (Vasey & Rose) D.A. Sutton Watson's snapdragon SAWA2 Scrophulariaceae Stemodia durantifolia (Linnaeus) Swartz STDU Scrophulariaceae Veronica peregrina L. var xalapensis (Kunth) Pennell Purslane speedwell VEPEX2 Selaginellaceae Selaginella arizonica Maxon Arizona spike-moss SEAR2 Selaginellaceae Selaginella eremophila Maxon Desert spike-moss SEER Simaroubaceae Castela emoryi (A. Gray) Moran & Felger Crucifixion thorn CAEM4 Simmondsiaceae Simmondsia chinensis (Link) C.K. Schneider Jojoba SICH Calibrachoa parviflora (Juss.) D'Arcy CAPA47 Solanaceae Capsicum annuum Linnaeus var. glabriusculum (Dunal) Heiser Chiltepin CAANG & Pickersgill Solanaceae Datura discolor Bernhardi Datura, Desert thorn- DADI2 apple Solanaceae andersonii A. Gray var. andersonii Desert wolfberry LYANA4 Solanaceae Lycium berlandieri Dunal var. longistylum C.L. Hitchcock LYBEL Solanaceae Lycium brevipes Benth LYBR Solanaceae Lycium californicum Nuttall ex A. Gray var. californicum A. Gray LYCAC3

Page 16 Checklist of Vascular Plants of Organ Pipe Cactus National Monument 10/6/2008

USDA Family Scientific Name English common name PLANTS code Solanaceae Lycium exsertum A. Gray LYEX Solanaceae Lycium fremontii A. Gray var. fremontii Fremont wolfberry, LYFR tomatillo Solanaceae Lycium macrodon A. Gray var. macrodon LYMA Solanaceae Lycium parishii A. Gray var. parishii Parish wolfberry LYPA Solanaceae Nicotiana clevelandii A. Gray Desert tobacco NICL Solanaceae Nicotiana glauca Graham Tree tobacco NIGL Solanaceae Nicotiana obtusifolia M. Martens & Galeotti Coyote tobacco NIOB Solanaceae Physalis acutifolia (Miers) Sandwith Sharpleaf ground-cherry PHAC6

Solanaceae Physalis crassifolia Bentham var. versicolor (Rydberg) Waterfall Desert ground-cherry PHCRV

Solanaceae Quincula lobata (Torrey) Raf. Chinese lanterns QULO2 Solanaceae americanum Miller Black nightshade SOAM Solanaceae Solanum douglasii Dunal Nightshade SODO Solanaceae Solanum hindsianum Bentham SOHI4 Solanaceae Solanum xanti A. Gray Purple nightshade SOXA Sterculiaceae Ayenia filiformis S. Watson AYFI Sterculiaceae Ayenia microphylla A. Gray AYMI Tamaricaceae Tamarix aphylla (Linnaeus) H. Karston Athel tamarisk, salt TAAP cedar Tamaricaceae Tamarix ramosissima Ledebour Salt cedar, tamarisk TARA Typhaceae Typha domingensis Persoon Cattail, tule TYDO Ulmaceae Celtis ehrenbergiana (Klotzsch) Liebm. Desert hackberry CEEH Ulmaceae Celtis laevigata Willdenow variety reticulata (Torrey) L.D. Netleaf hackberry CELAR Benson Urticaceae Parietaria hespera Hinton var. hespera Desert pellitory PAHEH Aloysia wrightii A. Heller ex Abrams Oreganillo ALWR Verbenaceae bipinnatifida (Nuttall) Nuttall var. bipinnatifida GLBIB Verbenaceae Glandularia gooddingii (Briquet) Solbrig Desert BLGO Verbenaceae Lantana camara Linnaeus Lantana LACA2 Verbenaceae Tetraclea coutleri Gray TECO Verbenaceae Verbena halei Small VEHA Verbenaceae Verbena neomexicana (A. Gray) Small Hillshade vervain VENE Verbenaceae Verbena sp. Verbena (cultivated) Viscaceae Phoradendron californicum Nuttall Desert mistletoe PHCA8 Zanichelliaceae Zanichellia palustris Linnaeus Horned pondweed ZAPA laevis Standley California otat FALA Zygophyllaceae Kallstroemia californica (S. Watson) Vail California caltrop KACA Zygophyllaceae Kallstroemia grandiflora Torrey ex A. Gray Summer poppy, orange KAGR caltrop Zygophyllaceae (De Candolle) Coville variety tridentata Creosote bush LATRT

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