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Home >> Checklist: Organ Pipe Cactus National Monument >> Previous version of Key >> Identification Key (new version): Organ Pipe Cactus National Monument Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images: Plant habit trees shrubs vines / lianas herbaceous ferns & allies grass-like cactus-like / succulents aquatic & OBL wetland species special groups composites legumes milkweeds mints spurges dicots monocots longevity annual or biennial perennial armature unarmed armed Leaves arrangement/phyllotaxy basal alternate opposite whorled fascicled/clustered along stem blade division all simple deeply lobed or divided some or all fully compound Flower principal flower color white or cream purple blue green yellow orange red pink brown inconspicuous ovaries/pistils per flower 1 2-5 more than 5 Fruit or Cone fruit consistency at maturity dry/leathery fleshy Organ Pipe Cactus National Monument R.S. Felger, S. Rutman, T.R. VanDevender, S. Buckley Species Count: 525 Acanthaceae Anisacanthus thurberi Carlowrightia arizonica Dicliptera resupinata Justicia californica Justicia candicans Justicia longii Ruellia ciliatiflora Aizoaceae Mesembryanthemum crystallinum Mesembryanthemum nodiflorum Trianthema portulacastrum Amaranthaceae Amaranthus albus Amaranthus fimbriatus Amaranthus palmeri Amaranthus x tucsonensis Atriplex canescens Atriplex elegans Atriplex linearis Atriplex pacifica Atriplex polycarpa Bassia hyssopifolia Blitum nuttallianum Chenopodiastrum murale Chenopodium watsonii Gomphrena sonorae Nitrophila occidentalis Salsola tragus Suaeda nigra Amaryllidaceae Allium macropetalum Habranthus longifolius Anacardiaceae Rhus trilobata Apiaceae Bowlesia incana Daucus pusillus Lomatium nevadense Spermolepis echinata Yabea microcarpa Apocynaceae Asclepias linaria Asclepias nyctaginifolia Asclepias subulata Funastrum heterophyllum Haplophyton cimicidum Matelea parvifolia Metastelma arizonicum Polystemma cordifolium Arecaceae Washingtonia filifera Aristolochiaceae Aristolochia watsonii Asparagaceae Agave simplex Agave × ajoensis Hesperocallis undulata Nolina microcarpa Asteraceae Acourtia nana Acourtia wrightii Adenophyllum porophylloides Ageratina paupercula Ambrosia ambrosioides Ambrosia confertiflora Ambrosia cordifolia Ambrosia deltoidea Ambrosia dumosa Ambrosia monogyra Ambrosia salsola Arida arizonica Arida carnosa Artemisia dracunculus Baccharis brachyphylla Baccharis salicifolia Baccharis sarothroides Bahiopsis parishii Baileya multiradiata Baileya pleniradiata Bebbia juncea Brickellia californica Brickellia frutescens Calycoseris wrightii Carthamus tinctorius Centaurea melitensis Chaenactis stevioides Cirsium neomexicanum Conyza canadensis Diaperia verna Eclipta prostrata Encelia farinosa Encelia frutescens Ericameria laricifolia Erigeron lobatus Eriophyllum lanosum Gaillardia arizonica Gamochaeta stagnalis Geraea canescens Gutierrezia arizonica Gutierrezia sarothrae Gymnosperma glutinosum Helianthus annuus Hymenothrix wislizeni Koanophyllon palmeri Koanophyllon solidaginifolium Lactuca serriola Laennecia coulteri Logfia arizonica Logfia depressa Logfia filaginoides Machaeranthera tagetina Malacothrix fendleri Malacothrix glabrata Malacothrix sonorae Monoptilon bellioides Oncosiphon pilulifer Packera quercetorum Palafoxia arida Parthenice mollis Perityle ajoensis Perityle emoryi Pleurocoronis laphamioides Pleurocoronis pluriseta Pluchea sericea Porophyllum gracile Prenanthella exigua Pseudognaphalium canescens Psilostrophe cooperi Rafinesquia californica Rafinesquia neomexicana Senecio lemmonii Senecio mohavensis Sonchus asper Sonchus oleraceus Stephanomeria pauciflora Stylocline gnaphaloides Stylocline micropoides Thymophylla concinna Townsendia annua Trichoptilium incisum Uropappus lindleyi Xanthisma gracile Zinnia acerosa Berberidaceae Berberis haematocarpa Berberis harrisoniana Boraginaceae Amsinckia intermedia Cryptantha barbigera Cryptantha cycloptera Cryptantha maritima Eucrypta micrantha Harpagonella palmeri Heliotropium curassavicum Johnstonella angustifolia Nama hispida Pectocarya heterocarpa Pectocarya platycarpa Pectocarya recurvata Phacelia affinis Phacelia caerulea Phacelia distans Phacelia neglecta Phacelia pedicellata Phacelia rotundifolia Plagiobothrys arizonicus Plagiobothrys jonesii Tiquilia canescens Brassicaceae Boechera perennans Brassica nigra Brassica tournefortii Caulanthus lasiophyllus Descurainia pinnata Draba cuneifolia Erysimum capitatum Hesperidanthus linearifolius Lepidium densiflorum Lepidium lasiocarpum Lepidium thurberi Lyrocarpa coulteri Matthiola longipetala Nasturtium officinale Physaria tenella Sisymbrium altissimum Sisymbrium irio Sisymbrium orientale Streptanthella longirostris Thelypodium wrightii Thlaspi arvense Thysanocarpus curvipes Burseraceae Bursera microphylla Cactaceae Carnegiea gigantea Cylindropuntia acanthocarpa x C. spinosior Cylindropuntia arbuscula Cylindropuntia bigelovii Cylindropuntia leptocaulis Cylindropuntia ramosissima Cylindropuntia spinosior Cylindropuntia versicolor Echinocereus nicholii Ferocactus cylindraceus Ferocactus emoryi Ferocactus wislizeni Grusonia kunzei Grusonia parishii Mammillaria tetrancistra Mammillaria thornberi Opuntia chlorotica Opuntia phaeacantha Opuntia santa-rita Peniocereus striatus Stenocereus thurberi Cannabaceae Celtis reticulata Capparaceae Atamisquea emarginata Caryophyllaceae Achyronychia cooperi Cerastium texanum Loeflingia squarrosa Silene antirrhina Cleomaceae Wislizenia refracta Commelinaceae Commelina erecta Convolvulaceae Cuscuta salina Cuscuta tuberculata Evolvulus alsinoides Ipomoea barbatisepala Ipomoea costellata Ipomoea cristulata Ipomoea hederacea Jacquemontia pringlei Crassulaceae Crassula connata Dudleya arizonica Graptopetalum rusbyi Crossosomataceae Crossosoma bigelovii Cucurbitaceae Brandegea bigelovii Cucurbita digitata Echinopepon wrightii Marah gilensis Tumamoca macdougalii Cupressaceae Juniperus coahuilensis Cyperaceae Cyperus laevigatus Cyperus mutisii Cyperus squarrosus Eleocharis geniculata Eleocharis rostellata Schoenoplectus americanus Ephedraceae Ephedra aspera Euphorbiaceae Acalypha californica Chamaesyce capitellata Chamaesyce florida Chamaesyce hyssopifolia Chamaesyce melanadenia Chamaesyce micromera Croton sonorae Ditaxis claryana Ditaxis lanceolata Ditaxis neomexicana Ditaxis serrata Euphorbia abramsiana Euphorbia albomarginata Euphorbia arizonica Euphorbia eriantha Euphorbia heterophylla Euphorbia polycarpa Euphorbia prostrata Euphorbia setiloba Jatropha cardiophylla Jatropha cinerea Jatropha cuneata Sebastiania bilocularis Stillingia linearifolia Tragia nepetifolia Fabaceae Acacia constricta Acacia greggii Acaciella angustissima Acmispon brachycarpus Acmispon maritimus Acmispon rigidus Chamaecrista nictitans Coursetia glandulosa Dalea mollis Desmodium procumbens Galactia wrightii Lupinus arizonicus Lupinus concinnus Lupinus sparsiflorus Marina parryi Medicago polymorpha Melilotus indicus Mimosa laxiflora Nissolia schottii Olneya tesota Parkinsonia aculeata Parkinsonia florida Parkinsonia microphylla Phaseolus filiformis Prosopis pubescens Prosopis velutina Psorothamnus spinosus Senna covesii Tephrosia vicioides Trifolium wormskioldii Fagaceae Quercus turbinella Gentianaceae Zeltnera calycosa Geraniaceae Erodium cicutarium Erodium texanum Geranium carolinianum Grossulariaceae Ribes quercetorum Hydrocharitaceae Najas marina Iridaceae Sisyrinchium demissum Juncaceae Juncus bufonius Juncus cooperi Krameriaceae Krameria bicolor Krameria erecta Lamiaceae Clerodendrum coulteri Condea albida Condea emoryi Monardella arizonica Salvia pinguifolia Scutellaria mexicana Teucrium glandulosum Loasaceae Eucnide rupestris Mentzelia affinis Mentzelia involucrata Mentzelia isolata Mentzelia longiloba Petalonyx linearis Lythraceae Punica granatum Malpighiaceae Cottsia gracilis Malvaceae Abutilon abutiloides Abutilon californicum Abutilon incanum Abutilon malacum Abutilon palmeri Anoda abutiloides Anoda pentaschista Ayenia filiformis Ayenia microphylla Eremalche exilis Herissantia crispa Hermannia pauciflora Hibiscus coulteri Horsfordia alata Horsfordia newberryi Malva parviflora Malvastrum bicuspidatum Rhynchosida physocalyx Sida abutilifolia Sphaeralcea coulteri Sphaeralcea emoryi Sphaeralcea laxa Martyniaceae Proboscidea altheifolia Molluginaceae Mollugo cerviana Montiaceae Calandrinia ciliata Cistanthe monandra Talinum aurantiacum Moraceae Ficus carica Morus microphylla Nemacladaceae Nemacladus glanduliferus Nyctaginaceae Allionia incarnata Boerhavia coccinea Boerhavia erecta Boerhavia megaptera Boerhavia pterocarpa Boerhavia triquetra Boerhavia wrightii Commicarpus scandens Mirabilis multiflora Oleaceae Forestiera phillyreoides Fraxinus velutina Menodora scabra Onagraceae Eremothera chamaenerioides Eulobus californicus Oenothera curtiflora Oenothera primiveris Orobanchaceae Castilleja lanata Orobanche cooperi Orobanche fasciculata Oxalidaceae Oxalis albicans Papaveraceae Argemone gracilenta Eschscholzia minutiflora Phrymaceae Erythranthe guttata Erythranthe rubella Phytolaccaceae Rivina humilis Plantaginaceae Antirrhinum pusillum Antirrhinum watsonii Neogaerrhinum filipes Nuttallanthus texanus Penstemon parryi Plantago patagonica Pseudorontium cyathiferum Stemodia durantifolia Plumbaginaceae Plumbago zeylanica Poaceae Aristida adscensionis Avena fatua Bothriochloa barbinodis Bouteloua aristidoides Bouteloua barbata Bouteloua curtipendula Bouteloua repens Bouteloua trifida Bromus carinatus Bromus rubens Bromus tectorum Cenchrus echinatus Chloris virgata Cottea pappophoroides Cynodon dactylon Dactyloctenium aegyptium Dasyochloa pulchella Disakisperma dubium Distichlis spicata Echinochloa colona Elymus elymoides Enneapogon cenchroides Enneapogon desvauxii Eragrostis barrelieri Eragrostis cilianensis Eragrostis intermedia Eragrostis lehmanniana Heteropogon contortus Hilaria belangeri Hilaria rigida Hopia obtusa Leptochloa crinita Lycurus setosus Melica frutescens Muhlenbergia appressa Muhlenbergia dumosa Muhlenbergia emersleyi Muhlenbergia fragilis Muhlenbergia microsperma Muhlenbergia porteri Muhlenbergia rigens Muhlenbergia tenuifolia Panicum antidotale Pappophorum vaginatum Pennisetum ciliare Pennisetum setaceum Phalaris minor Phragmites australis Poa annua Poa bigelovii Polypogon monspeliensis Polypogon viridis Schismus arabicus Schismus barbatus Setaria grisebachii Setaria leucopila Setaria liebmannii Setaria macrostachya Sorghum halepense Sporobolus coromandelianus Sporobolus cryptandrus Sporobolus flexuosus Tridens eragrostoides Triticum aestivum Urochloa arizonica Polemoniaceae Eriastrum diffusum Eriastrum eremicum Gilia stellata Ipomopsis multiflora Leptosiphon chrysanthus Linanthus bigelovii Linanthus demissus Phlox tenuifolia Polygalaceae Hebecarpa macradenia Polygonaceae Chorizanthe corrugata Chorizanthe rigida Eriogonum abertianum Eriogonum deflexum Eriogonum inflatum Eriogonum maculatum Eriogonum thomasii Eriogonum thurberi Polygonum argyrocoleon Pterostegia drymarioides Rumex hymenosepalus Portulacaceae Portulaca halimoides Portulaca oleracea Portulaca suffrutescens Potamogetonaceae Stuckenia pectinata Zannichellia palustris Primulaceae Androsace occidentalis Pteridaceae Bommeria hispida Myriopteris lindheimeri Myriopteris parryi Myriopteris windhamii Myriopteris wrightii Myriopteris yavapensis Notholaena standleyi Pellaea truncata Ranunculaceae Anemone tuberosa Clematis drummondii Delphinium scaposum Myosurus cupulatus Myosurus minimus Resedaceae Oligomeris linifolia Rhamnaceae Rhamnus crocea Rubiaceae Galium aparine Galium microphyllum Galium stellatum Ruppiaceae Ruppia maritima Rutaceae Ptelea trifoliata Salicaceae Salix gooddingii Santalaceae Phoradendron californicum Sapindaceae Dodonaea viscosa Saururaceae Anemopsis californica Selaginellaceae Selaginella arizonica Selaginella eremophila Simaroubaceae Castela emoryi Simmondsiaceae Simmondsia chinensis Solanaceae Calibrachoa parviflora Datura discolor Lycium exsertum Lycium richii Nicotiana clevelandii Nicotiana obtusifolia Physalis acutifolia Physalis crassifolia Quincula lobata Solanum americanum Solanum hindsianum Solanum nigrescens Solanum xanti Talinaceae Talinum paniculatum Tamaricaceae Tamarix aphylla Tamarix chinensis Typhaceae Typha domingensis Verbenaceae Aloysia wrightii Glandularia gooddingii Lantana camara Verbena menthifolia Verbena neomexicana Viburnaceae Sambucus cerulea Zygophyllaceae Fagonia laevis Kallstroemia californica Kallstroemia grandiflora Larrea tridentata
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