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Name of Above Organism:
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Abronia angustifolia (purple sand verbena)
Abutilon malacum (yellow Indian mallow)
Acacia constricta (whitethorn acacia)
Acacia greggii (catclaw acacia)
Acacia schaffneri (Schaffner's Acacia)
Acacia stenophylla (Shoestring Acacia)
Acaciella angustissima (Arizona Desert-Carpet)
Acca sellowiana
Acmispon greenei (Greene's bird's-foot trefoil)
Acmispon humistratus
Acmispon maritimus (coastal bird's-foot trefoil)
Acmispon oroboides (New Mexico bird's-foot trefoil)
Acmispon rigidus (shrubby deervetch)
Acmispon strigosus (strigose bird's-foot trefoil)
Acourtia wrightii (Brownfoot)
Adenophyllum porophylloides (San Felipe Dogweed)
Adiantum capillus-veneris (common maidenhair)
Agastache breviflora (Trans-Pecos giant hyssop)
Agastache rupestris (threadleaf giant hyssop)
Agave attenuata (Drachenbaum Century-Plant)
Agave aurea
Agave chrysantha (goldenflower century plant)
Agave delamateri (Tonto Basin agave)
Agave glomeruliflora
Agave lecheguilla (Lechuguilla)
Agave murpheyi (Hohokam Century-Plant)
Agave vilmoriniana (octopus agave)
Agrostis exarata (spike bentgrass)
Agrostis idahoensis (Idaho bentgrass)
Ailanthus altissima (Tree-of-Heaven)
Alcea rosea (Hollyhock)
Alhagi maurorum (Camelthorn)
Alisma triviale (Northern Water-Plantain)
Allionia incarnata (Trailing Windmills)
Allium bigelovii (Bigelow's Onion)
Allium cernuum (Allegheny Onion)
Allium neapolitanum (White Garlic)
Alternanthera caracasana (washerwoman)
Amaranthus albus (Tumbleweed)
Amaranthus cruentus (Red Amaranth)
Amaranthus powellii (Green Amaranth)
Amaranthus pringlei (Torrey's amaranthus)
Amauriopsis dissecta (ragleaf bahia)
Ambrosia acanthicarpa (ragweed)
Ambrosia ambrosioides (canyon ragweed)
Ambrosia confertiflora (Weak-Leaf Burr-Ragweed)
Ambrosia cordifolia (Sonoran bursage)
Ambrosia deltoidea (triangle-leaf bursage)
Ambrosia dumosa (burrobush)
Ambrosia monogyra (burrobush)
Ambrosia salsola (cheesebush)
Ammannia coccinea (Valley Redstem)
Ammi majus (Large Bullwort)
Ammi visnaga (Toothpickweed)
Amsinckia intermedia (Common Fiddleneck)
Anagallis arvensis (Scarlet Yellow-Loosestrife)
Androsace occidentalis (Western Rock-Jasmine)
Anemone cylindrica (Long-Head Thimbleweed)
Anemone tuberosa (tuber anemone)
Anisacanthus thurberi (Thurber's desert honeysuckle)
Anoda pentaschista (Field Anoda)
Anthriscus caucalis (Burr Chervil)
Antigonon leptopus (Queen's-Jewels)
Apium graveolens (wild celery)
Aquilegia chrysantha (Golden Columbine)
Arctium lappa (Greater Burrdock)
Arctostaphylos pungens (pointleaf manzanita)
Aristida divaricata (poverty threeawn)
Aristida pansa (Wooton's threeawn)
Aristida purpurea (purple threeawn)
Aristida schiedeana (single threeawn)
Aristolochia watsonii (Watson's dutchman's pipe)
Artemisia biennis (Biennial Wormwood)
Arundo donax (giant reed)
Asclepias albicans (whitestem milkweed)
Asclepias asperula (spider milkweed)
Asclepias linaria (pineneedle milkweed)
Asclepias nyctaginifolia (Mojave Milkweed)
Asclepias tuberosa (Butterfly Milkweed)
Asparagus asparagoides (African Asparagus-Fern)
Astragalus arizonicus (Arizona milkvetch)
Astragalus calycosus (Torrey's milkvetch)
Astragalus didymocarpus (dwarf white milkvetch)
Astragalus nuttallianus (smallflowered milkvetch)
Astragalus praelongus (stinking milkvetch)
Astragalus tenellus (Loose-Flower Milk-Vetch)
Astragalus tephrodes (ashen milkvetch)
Astragalus thurberi (Thurber's milkvetch)
Astrolepis sinuata (wavy scaly cloakfern)
Athysanus pusillus (Common Sandweed)
Atriplex canescens (fourwing saltbush)
Atriplex elegans (Wheel-Scale Saltbush)
Atriplex hymenelytra (desertholly)
Atriplex lentiformis (big saltbush)
Atriplex linearis (thinleaf fourwing saltbush)
Atriplex polycarpa (cattle saltbush)
Atriplex rosea (Tumbling Orache)
Atriplex semibaccata (Australian Saltbush)
Atriplex wrightii (Wright's Saltbush)
Avena sativa (Oat)
Ayenia compacta (California Ayenia)
Ayenia filiformis (Trans-Pecos Ayenia)
Ayenia insulicola (Dwarf Ayenia)
Azadirachta indica (Neemtree)
Azolla filiculoides (Pacific mosquitofern)
Baccharis pteronioides (yerba de pasmo)
Baccharis salicifolia (water wally)
Baccharis sergiloides (desert baccharis)
Bahia biternata (slimlobe bahia)
Bahiopsis parishii (Parish goldeneye)
Baileya multiradiata (desert marigold)
Bauhinia lunarioides (Texasplume)
Bauhinia x blakeana
Bebbia juncea (Sweetbush)
Bergenia crassifolia
Bernardia incana
Blepharocalyx salicifolius
Blitum nuttallianum (Nuttall's Poverty-Weed)
Boechera fendleri (Fendler's rockcress)
Boerhavia coulteri (Coulter's Spiderling)
Boerhavia erecta (Erect Spiderling)
Boerhavia intermedia (fivewing spiderling)
Boerhavia pterocarpa (Apache Pass Spiderling)
Boerhavia spicata (Creeping Spiderling)
Boerhavia torreyana (Torrey's Spiderling)
Bolboschoenus maritimus (cosmopolitan bulrush)
Bothriochloa barbinodis (cane bluestem)
Bothriochloa ischaemum (yellow bluestem)
Bougainvillea spectabilis (Great Bougainvillea)
Bouteloua aristidoides (Needle Grama)
Bouteloua chondrosioides (sprucetop grama)
Bouteloua curtipendula (Side-Oats Grama)
Bouteloua hirsuta (Hairy Grama)
Brahea armata (blue hesper palm)
Brahea brandegeei (Babisa)
Brassica juncea (India mustard)
Brickellia coulteri (Coulter's Brickellbush)
Brickellia desertorum (Desert Brickellbush)
Brickellia eupatorioides (False Boneset)
Brickellia floribunda (Chihuahuan Brickellbush)
Brickellia rusbyi (Stinking Brickellbush)
Bromus arizonicus (Arizona Brome)
Bromus arvensis (Field Brome)
Bromus catharticus (rescuegrass)
Bromus diandrus (ripgut brome)
Bromus marginatus (mountain brome)
Bromus rubens (Red Brome)
Buddleja scordioides (escobilla butterflybush)
Bulbine frutescens (Stalked Snakeflower)
Bursera fagaroides (Fragrant Bursera)
Bursera hindsiana (Red Elephant Tree)
Calibrachoa parviflora (seaside petunia)
Calliandra eriophylla (fairyduster)
Calochortus ambiguus (doubting mariposa lily)
Calochortus flexuosus (winding mariposa lily)
Calochortus kennedyi (desert mariposa lily)
Calyptocarpus vialis (Straggler Daisy)
Calystegia longipes (Paiute False Bindweed)
Camissonia cardiophylla (heartleaf suncup)
Camissoniopsis confusa (San Bernardino suncup)
Capsella bursa-pastoris (shepherd's purse)
Carex occidentalis (Western Sedge)
Carex subfusca (brown sedge)
Carex thurberi (Thurber's Sedge)
Carthamus tinctorius (Safflower)
Castilleja angustifolia (northwestern Indian paintbrush)
Castilleja applegatei (wavyleaf Indian paintbrush)
Castilleja attenuata (attenuate Indian paintbrush)
Castilleja chromosa (Desert Indian-Paintbrush)
Castilleja lanata (Sierra woolly Indian paintbrush)
Castilleja linariifolia (Wyoming Indian paintbrush)
Castilleja tenuiflora (Santa Catalina Indian paintbrush)
Casuarina equisetifolia (Beach She-Oak)
Catalpa bignonioides (Southern Catalpa)
Ceanothus fendleri (Fendler's Buckbrush)
Cedrus deodara (Deodar)
Celtis pallida (Spiny Hackberry)
Celtis reticulata (sugarberry)
Cenchrus biflorus (Indian Sandburr)
Cenchrus longispinus (Innocent-Weed)
Cenchrus spinifex (Coastal Sandbur)
Centaurea cyanus (Garden Cornflower)
Centaurea solstitialis (Yellow Star-Thistle)
Centrostegia thurberi (red triangles)
Cerastium glomeratum (Sticky Mouse-Ear Chickweed)
Ceratocephala testiculata (curveseed butterwort)
Ceratonia siliqua (St. John's bread)
Ceratophyllum demersum (Coon's-Tail)
Chaenactis macrantha (bighead dustymaiden)
Chaetopappa ericoides (rose heath)
Chamaecrista nictitans (Partridge-Pea)
Chamaerops humilis (Mediterranean Fan Palm)
Chamaesyce dioica (royal sandmat)
Chamaesyce hyssopifolia (hyssopleaf sandmat)
Chamaesyce melanadenia (red-gland spurge)
Chamaesyce micromera (Sonoran sandmat)
Chenopodiastrum murale (Nettle-Leaf Mock Goosefoot)
Chenopodium album (Lamb's-Quarters)
Chenopodium fremontii (Fremont's Goosefoot)
Chenopodium leptophyllum (narrowleaf goosefoot)
Chenopodium pratericola (Desert Goosefoot)
Chenopodium watsonii (Watson's Goosefoot)
Chloris cucullata (Hooded Windmill Grass)
Chloris gayana (Rhodes Grass)
Chorizanthe corrugata (Wrinkled Spineflower)
Chylismia brevipes (yellow cups)
Cirsium neomexicanum (New Mexico Thistle)
Cissus trifoliata (Sorrelvine)
Citrullus lanatus (Watermelon)
Citrus medica (Citron)
Clarkia epilobioides (canyon clarkia)
Clarkia unguiculata (clarkia)
Claytonia perfoliata (Miner's-Lettuce)
Clematis drummondii (Texas Virgin's-Bower)
Clematis ligusticifolia (Deciduous Traveler's-Joy)
Clerodendrum bungei (Rose Glory-Bower)
Collomia grandiflora (Large-Flower Mountain-Trumpet)
Comandra umbellata (Bastard-Toadflax)
Condalia globosa (Bitter Snakewood)
Convolvulus arvensis (Field Bindweed)
Convolvulus cneorum
Convolvulus equitans (Texas Bindweed)
Conyza bonariensis (asthmaweed)
Cordia boissieri (Texas olive)
Cordia parviflora
Corydalis aurea (Scrambled-Eggs)
Corynopuntia parishii (cholla)
Coryphantha alversonii (Cushion Fox-Tail Cactus)
Coryphantha vivipara (spinystar)
Cosmos parviflorus (Southwestern Cosmos)
Cosmos sulphureus (cosmos)
Cottsia gracilis (Slender Janusia)
Coursetia glandulosa (rosary babybonnets)
Crassula connata (Sand Pygmyweed)
Cressa truxillensis (spreading alkaliweed)
Croton californicus (California Croton)
Croton lindheimerianus (threeseed croton)
Crypsis schoenoides (Swamp Pricklegrass)
Cryptantha albida (New Mexico cryptantha)
Cryptantha barbigera (bearded cryptantha)
Cryptantha maritima (Guadalupe cryptantha)
Cryptantha nevadensis (Nevada cryptantha)
Cryptantha pterocarya (wingnut cryptantha)
Cuscuta gronovii (Scaldweed)
Cycas revoluta (sago palm)
Cyclospermum leptophyllum (marsh parsley)
Cylindropuntia bigelovii (teddybear cholla)
Cylindropuntia ramosissima (branched pencil cholla)
Cylindropuntia spinosior (Walkingstick Cactus)
Cylindropuntia versicolor (staghorn cholla)
Cymopterus multinervatus (purplenerve springparsley)
Cynara scolymus (globe artichoke)
Cynodon dactylon (Bermuda Grass)
Cyperus acuminatus (tapertip flatsedge)
Cyperus erythrorhizos (redroot flatsedge)
Cyperus niger (black flatsedge)
Cyperus papyrus (Papyrus Flat Sedge)
Cyperus rotundus (nutgrass)
Dactylis glomerata (Orchard Grass)
Dactyloctenium aegyptium (Egyptian grass)
Dalea albiflora (whiteflower prairie clover)
Dalea formosa (Featherplume)
Dalea pulchra (Santa Catalina prairie clover)
Dasylirion wheeleri (Common Sotol)
Dasyochloa pulchella (low woollygrass)
Delphinium scaposum (tall mountain larkspur)
Dermatophyllum secundiflorum (Texas mountain laurel)
Descurainia pinnata (Western Tansy-Mustard)
Desmodium cinerascens (Spiked Tick-Trefoil)
Dichelostemma capitatum (bluedicks)
Dichelostemma congestum (Ookow)
Dicliptera resupinata (Arizona Foldwing)
Dieteria bigelovii (purple aster)
Dinebra panicea (Needle Viper Grass)
Dinebra viscida (sticky sprangletop)
Diplachne fusca (Malabar sprangletop)
Ditaxis claryana (Desert Silverbush)
Ditaxis neomexicana (New Mexico Silverbush)
Dolichandra unguis-cati (catclaw vine)
Draba reptans (Carolina Draba)
Drymaria glandulosa (Fendler's Drymary)
Drymocallis glandulosa (sticky cinquefoil)
Dysphania ambrosioides (Mexican-Tea)
Dysphania graveolens (fetid goosefoot)
Ebenopsis ebano (Texas ebony)
Echinocereus coccineus (Scarlet Hedgehog Cactus)
Echinocereus engelmannii (Engelmann's hedgehog cactus)
Echinocereus fasciculatus (Boyce Thompson hedgehog cactus)
Echinocereus fendleri (pinkflower hedgehog cactus)
Echinocereus yavapaiensis (Yavapai Hedgehog Cactus)
Echinochloa muricata (Rough Barnyard Grass)
Echinopepon wrightii (wild balsam apple)
Eclipta prostrata (False Daisy)
Eleocharis parishii (Parish's Spike-Rush)
Elymus glaucus (blue wildrye)
Encelia frutescens (Button Brittlebush)
Encelia resinifera (button brittlebush)
Encelia virginensis (Virgin River brittlebush)
Enchylaena tomentosa (Ruby-Saltbush)
Ephedra fasciculata (Arizona jointfir)
Epilobium canum (Hummingbird-Trumpet)
Epilobium ciliatum (Fringed Willowherb)
Epipactis gigantea (Giant Helleborine)
Equisetum hyemale (Tall Scouring-Rush)
Eragrostis barrelieri (Mediterranean lovegrass)
Eragrostis intermedia (plains lovegrass)
Eragrostis pectinacea (Purple Love Grass)
Eragrostis superba (Wilman lovegrass)
Eremocarya micrantha (redroot cryptantha)
Eremophila abietina
Eremothera chamaenerioides (Long-Capsule Mooncup)
Eriastrum diffusum (miniature woollystar)
Ericameria laricifolia (turpentine bush)
Erigeron lobatus (Lobed Fleabane)
Erigeron oreophilus (Chaparral Fleabane)
Erigeron speciosus (Showy Fleabane)
Eriochloa acuminata (tapertip cupgrass)
Eriochloa aristata (bearded cupgrass)
Eriogonum capillare (San Carlos buckwheat)
Eriogonum davidsonii (Davidson's buckwheat)
Eriogonum inflatum (desert trumpet)
Eriogonum pharnaceoides (wirestem buckwheat)
Eriogonum polycladon (sorrel buckwheat)
Eriogonum racemosum (redroot buckwheat)
Eriogonum ripleyi (Fraziers Well buckwheat)
Eriogonum thurberi (Thurber's buckwheat)
Eriophyllum pringlei (Pringle's woolly sunflower)
Erodium texanum (Texas stork's bill)
Eruca vesicaria (rocketsalad)
Erysimum capitatum (Sand-Dune Wallflower)
Erysimum repandum (Spreading Wallflower)
Erythranthe cardinalis (Scarlet Monkey-Flower)
Erythranthe dentiloba (Tooth-Petal Monkey-Flower)
Erythranthe floribunda (Purple-Stem Monkey-Flower)
Erythranthe glabrata (roundleaf monkeyflower)
Erythranthe rubella (Little Red-Stem Monkey-Flower)
Eschscholzia californica (California poppy)
Eschscholzia glyptosperma (desert poppy)
Eucalyptus camaldulensis (river redgum)
Eucalyptus leucoxylon (eucalyptus)
Eucalyptus torquata (Coral Gum)
Eucrypta micrantha (Dainty Desert Hideseed)
Euphorbia abramsiana (Abrams' sandmat)
Euphorbia albomarginata (whitemargin sandmat)
Euphorbia biglandulosa
Euphorbia cuphosperma (spurge)
Euphorbia dentata (Toothed Spurge)
Euphorbia exstipulata (squareseed spurge)
Euphorbia heterophylla (Mexican fireplant)
Euphorbia lurida (woodland spurge)
Euphorbia pediculifera (Carrizo Mountain Sandmat)
Euphorbia revoluta (threadstem sandmat)
Euphorbia serpens (Matted Sandmat)
Euphorbia serpillifolia (thymeleaf sandmat)
Euryops pectinatus (Golden Daisy)
Evolvulus alsinoides (slender dwarf morning-glory)
Evolvulus nuttallianus (shaggy dwarf morning-glory)
Eysenhardtia orthocarpa (Mexican kidneywood)
Fagonia laevis (California Fagonbush)
Fendlera wrightii (Wright's fendlerbush)
Ficus carica (Common Fig)
Ficus microcarpa (Chinese Banyan)
Funastrum crispum (climbing milkweed (generic))
Gaillardia pulchella (Firewheel)
Galactia wrightii (Wright's milkpea)
Galium aparine (stickywilly)
Galium triflorum (Fragrant Bedstraw)
Garrya flavescens (Ashy Silktassel)
Gelsemium sempervirens (Yellow Jessamine)
Geraea canescens (hairy desertsunflower)
Geranium carolinianum (Carolina Crane's-Bill)
Gilia inconspicua (Shy Gily-Flower)
Gilia sinuata (rosy gilia)
Gilia stellata (star gilia)
Glandularia bipinnatifida (Dakota Mock Vervain)
Glandularia gooddingii (southwestern mock vervain)
Glandularia pulchella (South American mock vervain)
Glebionis coronaria (Crowndaisy)
Gleditsia triacanthos (Honey-Locust)
Glinus radiatus (Spreading Sweetjuice)
Graptopetalum rusbyi (San Francisco River leatherpetal)
Greeneocharis circumscissa (cushion cryptantha)
Grevillea robusta (Silk-Oak)
Grusonia aggeria (Big Bend Club-Cholla)
Guaiacum coulteri
Guaiacum sanctum (Holywood Lignumvitae)
Guilleminea densa (Small Matweed)
Gutierrezia sarothrae (broom snakeweed)
Gutierrezia serotina (Late Snakeweed)
Halerpestes cymbalaria (alkali buttercup)
Handroanthus chrysanthus (yellow tabebuia)
Haplophyton cimicidum
Hedeoma oblongifolia (oblongleaf false pennyroyal)
Hedera helix (English Ivy)
Hedypnois cretica (Cretanweed)
Helianthus annuus (Common Sunflower)
Helianthus ciliaris (Texas blueweed)
Helianthus niveus (Showy Sunflower)
Helianthus tuberosus (Jerusalem-Artichoke)
Heliomeris longifolia (longleaf false goldeneye)
Heliotropium lasiocarpum
Herniaria hirsuta (Hairy Rupturewort)
Hesperostipa comata (Needle-and-Thread)
Hesperostipa neomexicana (New Mexico feathergrass)
Heterotheca subaxillaris (Camphorweed)
Heuchera eastwoodiae (Senator Mine Alumroot)
Hoffmannseggia glauca (Indian rushpea)
Hopia obtusa (vine mesquite)
Hordeum pusillum (Little Barley)
Horsfordia newberryi (Newberry's velvetmallow)
Houstonia wrightii (Pygmy Bluet)
Hydrocotyle umbellata (Many-Flower Marsh-Pennywort)
Hydrophyllum occidentale (western waterleaf)
Hymenothrix wislizeni (Trans-Pecos Thimblehead)
Hymenoxys odorata (bitter rubberweed)
Hymenoxys rusbyi (Rusby's Rubberweed)
Ipomoea barbatisepala (Canyon Morning-Glory)
Ipomoea carnea (Gloria-de-la-Manana)
Ipomoea coccinea (Redstar)
Ipomoea costellata (crestrib morning-glory)
Ipomoea cristulata (Transpecos morning-glory)
Ipomoea purpurea (Common Morning-Glory)
Ipomopsis thurberi (El Paso Skyrocket)
Isocoma acradenia (alkali goldenbush)
Isocoma menziesii (Variable Jimmyweed)
Isocoma pluriflora (southern goldenbush)
Jasminum sambac (Arabian Jasmine)
Johnstonella angustifolia (Panamint cryptantha)
Juncus dudleyi (Dudley's Rush)
Juncus ensifolius (swordleaf rush)
Juncus exiguus (lamp rush)
Juncus interior (Arizona rush)
Juniperus arizonica
Juniperus virginiana (Eastern Red-Cedar)
Justicia longii (siphonoglossa)
Justicia sonorae (Sonoran Water-Willow)
Kallstroemia hirsutissima (Hairy Caltrop)
Koeberlinia spinosa (crown of thorns)
Koelreuteria paniculata (Golden Rain-Tree)
Lactuca serriola (Prickly Lettuce)
Langloisia setosissima (Great Basin langloisia)
Lantana camara (lantana)
Lantana montevidensis (Lantana)
Lappula occidentalis (flatspine stickseed)
Larrea tridentata (creosote bush)
Lasthenia gracilis (Needle Goldfields)
Layia glandulosa (whitedaisy tidytips)
Lemna minor (Common Duckweed)
Lemna minuta (Least Duckweed)
Lepidium didymum (lesser swinecress)
Lepidium montanum (mountain pepperweed)
Leptochloa crinita (twoflower chloris)
Leucaena leucocephala (White Leadtree)
Ligustrum japonicum (Japanese Privet)
Linanthus bigelovii (Bigelow's linanthus)
Linanthus jonesii (Jones' linanthus)
Linaria maroccana (Moroccan Toadflax)
Linum lewisii (Lewis flax)
Lipocarpha aristulata (awned halfchaff sedge)
Lobularia maritima (Sweet-Alison)
Logfia arizonica (Arizona fluffweed)
Logfia depressa (dwarf filago)
Lolium temulentum (Darnel ryegrass)
Lomatium dissectum (fernleaf biscuitroot)
Lonicera interrupta (Chaparral Honeysuckle)
Lotus mearnsii (Mearns' bird's-foot trefoil)
Lotus plebeius (New Mexico bird's-foot trefoil)
Lotus strigosus (strigose bird's-foot trefoil)
Ludwigia palustris (marsh seedbox)
Ludwigia peploides (Floating Primrose-Willow)
Lupinus argenteus var. palmeri (bluebonnet lupine)
Lupinus arizonicus (Arizona Lupine)
Lupinus kingii (King's Lupine)
Lycium californicum (California Desert-Thorn)
Lycium chinense (Chinese Matrimony-Vine)
Lycium exsertum (Arizona Desert-Thorn)
Lycium richii (wolfberry)
Lycurus setosus (bristly wolfstail)
Lyrocarpa coulteri (Coulter's Lyrepod)
Lysiloma divaricatum
Lysiloma watsonii (littleleaf false tamarind)
Lythrum californicum (California Loosestrife)
Lythrum hyssopifolia (Hyssop Loosestrife)
Mabrya acerifolia (Brittlestem)
Macfadyena unguis-cati (catclaw vine)
Machaeranthera tanacetifolia (tanseyleaf tansyaster)
Malacothrix clevelandii (Cleveland's desertdandelion)
Malacothrix sonorae (Sonoran desertdandelion)
Malaxis soulei (Chiricahua Adder's-Mouth Orchid)
Malva parviflora (cheeseweed mallow)
Malvella leprosa (alkali mallow)
Mammillaria thornberi (Thornber's Nipple Cactus)
Marsilea vestita (hairy waterclover)
Martynia annua (baby devil's claw)
Medicago minima (little burclover)
Medicago sativa (Alfalfa)
Melaleuca citrina (Crimson-Bottlebrush)
Melia azedarach (Chinaberrytree)
Melilotus alba (White Sweet-Clover)
Melilotus indica (sourclover)
Melilotus officinalis (Yellow Sweet-Clover)
Mentha spicata (Spearmint)
Mentzelia jonesii (Jones' Blazingstar)
Mentzelia oreophila (Argus Blazingstar)
Mesembryanthemum nodiflorum (slenderleaf iceplant)
Metastelma arizonicum (Arizona Swallow-Wort)
Mimetanthe pilosa (false monkeyflower)
Mirabilis multiflora (Colorado four o'clock)
Mirabilis pumila (dwarf four o'clock)
Monardella arizonica (Arizona monardella)
Morus alba (White Mulberry)
Morus microphylla (Texas Mulberry)
Muhlenbergia appressa (Devils Canyon Muhly)
Muhlenbergia arizonica (Arizona Muhly)
Muhlenbergia dumosa (Bamboo Muhly)
Muhlenbergia longiligula (longtongue muhly)
Muhlenbergia porteri (Bush Muhly)
Muhlenbergia rigens (deergrass)
Musa acuminata (Edible Banana)
Myrcianthes cisplatensis
Myriophyllum spicatum (Eurasian Water-Milfoil)
Myriopteris covillei (Coville's lipfern)
Myriopteris parryi (Parry's lipfern)
Myriopteris rufa (Eaton's lipfern)
Myriopteris tomentosa (woolly lipfern)
Myriopteris wrightii (Wright's lipfern)
Myriopteris yavapensis (graceful lipfern)
Myrtus communis (Myrtle)
Nama hispida (bristly nama)
Nemacladus glanduliferus (Glandular Threadplant)
Nitrophila occidentalis (Boraxweed)
Noccaea fendleri (Fendler's pennycress)
Nolina microcarpa (Sacahuista Bear-Grass)
Notholaena standleyi (Star Cloak Fern)
Nuttallanthus texanus (Texas toadflax)
Nymphaea mexicana (yellow waterlily)
Oenothera albicaulis (prairie evening primrose)
Oenothera californica (California evening primrose)
Oenothera cespitosa (tufted evening primrose)
Oenothera curtiflora (Velvetweed)
Oenothera deltoides (dune evening primrose)
Oenothera platanorum (Fort Huachuca evening primrose)
Oenothera primiveris (large yellow desert primrose)
Oenothera pubescens (silky evening primrose)
Oenothera speciosa (Pinkladies)
Oligomeris linifolia (lineleaf whitepuff)
Olneya tesota (desert ironwood)
Oloptum miliaceum (smilograss)
Oncosiphon piluliferum (Stinknet)
Opuntia basilaris (beavertail pricklypear)
Opuntia engelmannii (cactus apple)
Opuntia gosseliniana (Violet Prickly-Pear)
Opuntia microdasys (bunny ears)
Opuntia phaeacantha (Dark-spined pricklypear)
Opuntia santa-rita (Santa Rita pricklypear)
Orobanche cooperi (desert broomrape)
Orobanche fasciculata (Clustered Broomrape)
Pachycereus marginatus (Mexican fence post cactus)
Panicum alatum (winged panicgrass)
Papaver rhoeas (Shirley poppy)
Parietaria hespera (rillita pellitory)
Parietaria pensylvanica (Pennsylvania Pellitory)
Parkinsonia florida (blue paloverde)
Parthenice mollis (Annual Monsterwort)
Parthenium argentatum (Guayule)
Parthenium incanum (Mariola)
Parthenocissus inserta (Thicket-Creeper)
Paspalum dilatatum (dallisgrass)
Paspalum distichum (Jointed Crown Grass)
Passiflora mexicana (Mexican passionflower)
Pectis rusbyi (Rusby's cinchweed)
Pectocarya platycarpa (broadfruit combseed)
Pectocarya recurvata (curvenut combseed)
Pediomelum megalanthum (Intermountain Indian breadroot)
Pediomelum tenuiflorum (Slender-Flower Indian-Breadroot)
Penstemon barbatus (beardlip penstemon)
Penstemon leiophyllus (Smooth-Leaf Beardtongue)
Penstemon pseudospectabilis (desert penstemon)
Perideridia parishii (Parish's Yampah)
Peritoma jonesii (Jones spiderflower)
Peritoma lutea (yellow spiderflower)
Persicaria amphibia (Water Smartweed)
Persicaria bicornis (Pink Knotweed)
Persicaria lapathifolia (Dock-Leaf Smartweed)
Persicaria punctata (dotted smartweed)
Petalonyx thurberi (Thurber's sandpaper plant)
Phacelia affinis (limestone phacelia)
Phacelia bombycina (Mangas Spring phacelia)
Phacelia caerulea (caterpillar weed)
Phacelia cryptantha (hiddenflower phacelia)
Phacelia magellanica (Kaweah River Scorpion-Weed)
Phacelia pedicellata (pedicellate phacelia)
Phacelia ramosissima (branching phacelia)
Phacelia rotundifolia (roundleaf phacelia)
Phacelia serrata (Saw Scorpion-Weed)
Phalaris minor (littleseed canarygrass)
Phleum pratense (Common Timothy)
Phlox gracilis (slender phlox)
Phlox tenuifolia (Santa Catalina Mountain Phlox)
Phoenix dactylifera (Date Palm)
Pholistoma auritum (blue fiestaflower)
Phoradendron californicum (Mesquite Mistletoe)
Phoradendron capitellatum (Downy Mistletoe)
Phoradendron serotinum (Christmas Mistletoe)
Phyla nodiflora (turkey tangle fogfruit)
Physalis acutifolia (sharpleaf groundcherry)
Physalis philadelphica (Mexican groundcherry)
Physaria cinerea (Basin Bladderpod)
Physaria purpurea (rose bladderpod)
Physaria tenella (Moapa Bladderpod)
Pinus canariensis (Canary Island Pine)
Pinus monophylla (singleleaf pinyon)
Piptatheropsis micrantha (littleseed ricegrass)
Plagiobothrys collinus (Cooper's popcornflower)
Plantago patagonica (Woolly Plantain)
Plantago rhodosperma (redseed plantain)
Platanus occidentalis (American Sycamore)
Platanus racemosa (sycamore)
Platanus wrightii (Arizona Sycamore)
Pleurocoronis pluriseta (Bush Arrowleaf)
Poa bigelovii (Bigelow's bluegrass)
Poa compressa (Flat-Stem Blue Grass)
Poa pratensis (Kentucky Blue Grass)
Polanisia dodecandra (Red-Whisker Clammyweed)
Polygala obscura (velvetseed milkwort)
Polygala rusbyi (Rusby's milkwort)
Polygonum persicaria (spotted ladysthumb)
Pontederia cordata (Pickerelweed)
Pontederia crassipes (Common Water-Hyacinth)
Populus angustifolia (narrowleaf cottonwood)
Populus fremontii (Fremont cottonwood)
Porophyllum gracile (Slender Poreleaf)
Portulaca oleracea (Little-Hogweed)
Portulaca umbraticola (wingpod purslane)
Potentilla rivalis (Brook Cinquefoil)
Potentilla thurberi (Scarlet Cinquefoil)
Proboscidea althaeifolia (desert unicorn-plant)
Prosopis alba (Argentine mesquite)
Prosopis chilensis (Chilean mesquite)
Prosopis pubescens (screwbean mesquite)
Prosopis velutina (mesquite)
Prunella vulgaris (Common Selfheal)
Prunus armeniaca (Apricot)
Prunus cerasifera (Cherry Plum)
Prunus serotina (Black Cherry)
Psathyrostachys juncea (Russian wildrye)
Psathyrotes ramosissima (Velvet Turtleback)
Pseudognaphalium stramineum (cottonbatting plant)
Pseudoroegneria spicata (bluebunch wheatgrass)
Pseudorontium cyathiferum (Dog's-Mouth)
Pseudotsuga menziesii (Douglas-Fir)
Psorothamnus spinosus (smoketree)
Punica granatum (Pomegranate)
Purshia X subintegra (Arizona Cliff-Rose)
Purshia stansburyana (Stansbury cliffrose)
Purshia subintegra (Arizona Cliff-Rose)
Quercus arizonica (Arizona White Oak)
Quercus emoryi (Emory oak)
Quercus hypoleucoides (Silver-Leaf Oak)
Quercus palmeri (Palmer oak)
Quercus rugosa (netleaf oak)
Quercus suber (Cork Oak)
Quercus virginiana (Live Oak)
Rafinesquia neomexicana (New Mexico Plumeseed)
Ranunculus sceleratus (Cursed Buttercup)
Rhamnus betulifolia (birchleaf buckthorn)
Rhus ovata (Sugar Sumac)
Ricinus communis (castorbean)
Robinia neomexicana (New Mexico Locust)
Rorippa microtitis (Chihuahuan Yellowcress)
Rorippa palustris (Bog Yellowcress)
Rorippa sphaerocarpa (roundfruit yellowcress)
Rorippa teres (Southern Marsh Yellowcress)
Rosa woodsii (Woods' Rose)
Rosmarinus officinalis (Rosemary)
Rubus neomexicanus (New Mexico Raspberry)
Ruellia simplex (Mexican petunia)
Rumex conglomeratus (clustered dock)
Rumex dentatus (Toothed Dock)
Rumex mexicanus (Mexican dock)
Russelia equisetiformis (Fountainbush)
Ruta graveolens (Common Rue)
Sabulina douglasii (Douglas' stitchwort)
Sagittaria cuneata (Arum-Leaf Arrowhead)
Salix (willow)
Salix gooddingii (Goodding's willow)
Salix lasiandra (Pacific willow)
Salix lasiolepis (Arroyo Willow)
Salpichroa origanifolia (lily of the valley vine)
Salsola tragus (Prickly Russian-Thistle)
Salvia dorrii (purple sage)
Salvia mohavensis (Mojave Sage)
Salvia reflexa (Lance-Leaf Sage)
Sambucus canadensis (Common Elderberry)
Sambucus nigra (Black Elder)
Samolus parviflorus (Water-Pimpernel)
Sanguisorba minor (small burnet)
Schinus polygamus
Schismus barbatus (Common Mediterranean Grass)
Schizachyrium scoparium (Little False Bluestem)
Schoenoplectus acutus (hardstem bulrush)
Schoenoplectus californicus (California bulrush)
Schoenoplectus pungens (Three-Square)
Scutellaria lateriflora (Mad Dog Skullcap)
Scutellaria platyphylla (Mexican skullcap)
Sedum cockerellii (Cockerell's Stonecrop)
Selaginella arizonica (Arizona spikemoss)
Selaginella underwoodii (Underwood's spikemoss)
Senecio flaccidus (threadleaf ragwort)
Senna corymbosa (Argentinian Wild Sensitive-Plant)
Senna didymobotrya (African Wild Sensitive-Plant)
Sesbania herbacea (bigpod sesbania)
Setaria adhaerens (bur bristlegrass)
Setaria leucopila (streambed bristlegrass)
Setaria pumila (Yellow Bristle Grass)
Setaria viridis (Green Bristle Grass)
Sherardia arvensis (blue fieldmadder)
Sida abutifolia (Spreading Fanpetals)
Silene antirrhina (sleepy silene)
Silene scouleri (simple campion)
Simmondsia chinensis (Jojoba)
Sisymbrium altissimum (tall tumblemustard)
Sisymbrium orientale (Indian hedgemustard)
Solanum americanum (American Black Nightshade)
Solanum carolinense (Carolina horsenettle)
Solanum physalifolium (hoe nightshade)
Solanum rantonnetii
Solanum rostratum (Horned Nightshade)
Solanum xanti (chaparral nightshade)
Sphaeralcea grossulariifolia (gooseberryleaf globemallow)
Sphaeralcea parvifolia (smallflower globemallow)
Spirodela punctata (dotted duckweed)
Sporobolus airoides (alkali sacaton)
Sporobolus coromandelianus (whorled dropseed)
Sporobolus cryptandrus (Sand Dropseed)
Sporobolus flexuosus (Mesa Dropseed)
Sporobolus wrightii (Wright's Dropseed)
Stapelia gigantea (Zulu-Giant)
Stenocereus thurberi (organpipe cactus)
Stephanomeria exigua (small wirelettuce)
Stephanomeria pauciflora (brownplume wirelettuce)
Streptanthella longirostris (longbeak streptanthella)
Stuckenia striata (broadleaf pondweed)
Symphoricarpos rotundifolius (roundleaf snowberry)
Symphyotrichum divaricatum (southern annual saltmarsh aster)
Symphyotrichum novi-belgii (New England aster)
Tagetes lemmonii (Lemmon's Marigold)
Tamarix africana (African tamarisk)
Tamarix aphylla (Athel Tamarisk)
Tamarix canariensis (Canary Island Tamarisk)
Tamarix chinensis (Five-Stamen Tamarisk)
Taraxacum erythrospermum (rock dandelion)
Tephrocactus articulatus
Tephrosia vicioides (Red Hoary-Pea)
Tetragonia tetragonioides
Thamnosma texana (Rue-of-the-Mountains)
Thelypodium wrightii (Wright's Thelypody)
Thermopsis montana (mountain goldenbanner)
Thevetia peruviana (Luckynut)
Thymophylla acerosa (pricklyleaf dogweed)
Thysanocarpus curvipes (Sand Fringepod)
Thysanocarpus laciniatus (Mountain Fringepod)
Tidestromia lanuginosa (woolly tidestromia)
Tiquilia palmeri (Palmer's Crinklemat)
Tiquilia plicata (fanleaf crinklemat)
Trachelospermum jasminoides (Confederate-Jasmine)
Tradescantia occidentalis (Prairie Spiderwort)
Tragia ramosa (Branched Noseburn)
Tragopogon dubius (yellow salsify)
Tragopogon porrifolius (Salsify)
Trianthema portulacastrum (desert horsepurslane)
Trichostema arizonicum (Arizona Bluecurls)
Tridens albescens (white tridens)
Tridens muticus (slim tridens)
Trifolium gracilentum (pinpoint clover)
Trifolium repens (White Clover)
Trifolium willdenovii (tomcat clover)
Triodanis perfoliata (Clasping-Leaf Venus'-Looking-Glass)
Trixis californica (American Threefold)
Typha latifolia (broadleaf cattail)
Urochloa fusca (browntop signalgrass)
Urochloa texana (Texas signalgrass)
Vachellia farnesiana (Mealy False Acacia)
Vallisneria americana (American eelgrass)
Vauquelinia californica (Arizona rosewood)
Verbena bonariensis (purpletop vervain)
Verbena bracteata (Carpet Vervain)
Verbena menthifolia (Mint Vervain)
Verbena scabra (Sandpaper Vervain)
Verbesina encelioides (Golden Crownbeard)
Veronica arvensis (Corn Speedwell)
Viburnum suspensum
Vicia faba (Broad-Bean)
Vicia ludoviciana (Louisiana Vetch)
Vigna speciosa
Vigna unguiculata (Black-Eyed-Pea)
Viguiera reticulata (goldeneye)
Viola canadensis (Canadian White Violet)
Vitex negundo (Five-Leaf Chastetree)
Vitis arizonica (Arizona grape)
Vulpia microstachys (small fescue)
Vulpia octoflora (sixweeks fescue)
Washingtonia filifera (California Fan Palm)
Wislizenia refracta (spectacle fruit)
Withania somnifera
Woodsia plummerae (Plummer's Cliff Fern)
Xanthium strumarium (Rough Cockleburr)
Yucca baccata (Banana Yucca)
Yucca brevifolia (Joshua Tree)
Yucca elata (Soaptree Yucca)
Yucca valida (tree yucca)
Zeltnera nudicaulis (Santa Catalina Mountain centaury)
Zinnia acerosa (desert zinnia)
Ziziphus jujuba (Common Jujube)
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