FLORA of the PRESERVE


 

Following is a list of plants found within the Preserve, including common and scientific names, habitat, flowering times, and other useful information about these plants, compiled by George K. Helmkamp, PhD.

Jump to the Key for a description of the codes used in this table.

 

FAMILY, SCIENTIFIC FAMILY NAME, COMMON SCIENTIFIC NAME, GENUS AND SPECIES COMMON NAME
E
Agav- (Lili-) Agave Yucca whipplei Whipple Yucca M N W 4, 5 Sp
Agav- (Lili-) Agave Yucca schidigera Mojave Yucca M N W 4, 5 Sp
Aizo- (Mollugin-) Carpet-Weed Mollugo cerviana Carpet-Weed D I A 4 V
Amaranth- Amaranth Amaranthus albus White Pigweed D I A 1, 2 V
Amaranth- Amaranth Amaranthus fimbriatus Fringed Amaranth D N A 1, 2, 4 SuF
Amaranth- Amaranth Amaranthus palmeri Palmer Amaranth D N A 1 SuF
Amaryllid- (Lili-) Amaryllis Dichelostemma pulchella (Dichelostemma capitata) Wild Hyacinth M N P 4 Sp
Anacardi- Sumac Rhus ovata Sugar-Bush D N W 5 SpSu
Api- Carrot Apium graveolens Common Celery D C P 3 SpSu
Api- Carrot Berula erecta Cut-Leaf Water Parsnip D I P 3 SpSu
Api- Carrot Lomatium mohavense Mojave Wild-Parsley D N P 4 Sp
Apocyn- Dogbane Apocynum cannabinum Dogbane D N P 3, 7 SpSu
Arec- Palm Washingtonia filifera California Fan Palm M I W 1, 3 Su
Asclepiad- Milkweed Asclepias fascicularis Mexican Whorled Milkweed D N P 4 Sp
Aster- Sunflower Acamptopappus sphaerocephalus Goldenhead D N W 4 Sp
Aster- Sunflower Ambrosia acanthicarpa Annual Burweed D N A 1, 2 SuF
Aster- Sunflower Ambrosia dumosa Burrobush D N W 4, 5 V
Aster- Sunflower Ambrosia psilostachya Western Ragweed D N A 3, 7 SuF
Aster- Sunflower Anisocoma acaulis Scale-Bud D N A 4 Sp
Aster- Sunflower Artemisia dracunculus Tarragon D N P 4, 5 SuF
Aster- Sunflower Artemisia ludoviciana Western Mugwort D N P 4, 6 V
Aster- Sunflower Aster exilis (A. subulatus) Slender Aster D N A 2, 7 Sp
Aster- Sunflower Baccharis brachyphylla Short-Leaved Baccharis D N W 4 SpSu
Aster- Sunflower Baccharis emoryi Emory Baccharis D N W 3 V
Aster- Sunflower Baccharis glutinosa (B. salicifolia) Mule Fat D N W 6 V
Aster- Sunflower Baccharis sergiloides Desert Baccharis D N W 6 V
Aster- Sunflower Baileya pleniradiata Wooly Marigold D N A 4, 5 Sp
Aster- Sunflower Bebbia juncea Sweet-Bush D N W 4, 5 SpSu
Aster- Sunflower Brickellia arguta Spear-Leaved Brickellia D N W 4 Sp
Aster- Sunflower Brickellia desertorum Desert Brickellia D N W 4 Sp
Aster- Sunflower Calycoseris parryi Yellow Tack-Stem D N A 4 Sp
Aster- Sunflower Carthamus tinctorius Safflower D N A 1 V
Aster- Sunflower Chaenactis carphoclinia Pebble Pincushion D N A 4 Sp
Aster- Sunflower Chaenactis fremontii Fremont Pincushion D N A 4 Sp
Aster- Sunflower Chrysopsis villosa Heterotheca villosa Hairy Golden-Aster D N P 4 SpSu
Aster- Sunflower Chrysothamnus nauseosus Rubber Rabbit-Brush D N W 4 SuF
Aster- Sunflower Chrysothamnus paniculatus Black-Banded Rabbit-Brush D N W 4 F
Aster- Sunflower Chrysothamnus teretifolius Terete-Leaved Rabbit-Brush D N W 4 SuF
Aster- Sunflower Cirsium vulgare Bull Thistle D I A 1 Sp
Aster- Sunflower Conyza canadensis Horse-Weed D I A 1, 2 V
Aster- Sunflower Conyza coulteri Coulter's Conyza D N A 1, 2 V
Aster- Sunflower Coreopsis californica California Coreopsis D N A 4 Sp
Aster- Sunflower Cotula coronopifolia Common Brass Buttons D I A 3 SpSu
Aster- Sunflower Dicoria canescens Desert Dicoria D N A 5 FW
Aster- Sunflower Encelia farinosa Brittle-Bush D N W 4 Sp
Aster- Sunflower Encelia virginensis Virgin River Encelia D N W 4 SpSu
Aster- Sunflower Eriophyllum confertiflorum Long-Stemmed Eriophyllum D N P 4 SpSu
Aster- Sunflower Eriophyllum wallacei Wallace Eriophyllum D N A 4 Sp
Aster- Sunflower Filago arizonica Arizona Filago D N A 1, 2, 4 Sp
Aster- Sunflower Filago depressa Dwarf Filago D N A 1, 2, 4 Sp
Aster- Sunflower Gnaphalium californicum California Cudweed D N A 1, 2 V
Aster- Sunflower Gnaphalium luteo-albens White Cudweed D I A 1, 2, 4 V
Aster- Sunflower Gutierrezia microcephala Small-Flowered Matchweed D N P 4 SuF
Aster- Sunflower Haplopappus acradenius (Isocoma acradenia) Alkali Goldenbush D N W 2, 5, 7 F
Aster- Sunflower Haplopappus linearifolius (Ericameria linearifolia) Linear-Leaved Golden-Bush D N W 4 Sp
Aster- Sunflower Heterotheca grandiflora Telegraph-Weed D N A 1 V
Aster- Sunflower Hymenoclea salsola Cheese-Bush D N W 4, 5 Sp
Aster- Sunflower Iva axillaris Western Poverty-Weed D N P 1, 2 SpSu
Aster- Sunflower Lactuca serriola Prickly Lettuce D I A 1, 2, 3 SpSu
Aster- Sunflower Lasthenia chrysostoma (Lasthenia californica) Coast Goldfields D N A 4 Sp
Aster- Sunflower Layia glandulosa White Tidy-Tips D N A 4 Sp
Aster- Sunflower Lepidospartum squamatum Scale-Broom D N W 5, 7 SuF
Aster- Sunflower Machaeranthera tortifolia (Xylorhiza tortifolia) Mohave Aster D N P 4 Sp
Aster- Sunflower Malacothrix glabrata Desert Dandelion D N A 1, 4 Sp
Aster- Sunflower Matricaria matricarioides (Chamomilla sauveolens) Pineapple-Weed D I A 1 SpSu
Aster- Sunflower Microseris linearifolia (Uropappus lindleyi) Silver-Puffs D N A 4 Sp
Aster- Sunflower Monoptilon bellidiforme Desert Star D N A 4 Sp
Aster- Sunflower Monoptilon bellioides Mohave Desert-Star D N A 4 Sp
Aster- Sunflower Palafoxia linearis (Palafoxia arida) Spanish Needle D N A 4, 5 Sp
Aster- Sunflower Pectis papposa Chinch-Weed D N A 4 V
Aster- Sunflower Perityle emoryi Emory Rock Daisy D N A 3, 4, 5 Sp
Aster- Sunflower Peucephyllum schottii Desert-Fir D N W 4 WSp
Aster- Sunflower Pleurocoronis pleuriseta Arrow-Leaf D N P 4 Sp
Aster- Sunflower Pluchea purpurascens (Pluchea odorata) Marsh Flea-Bane D N P 3 SuF
Aster- Sunflower Pluchea sericea Arrow-Weed D N W 7 SpSu
Aster- Sunflower Pulicaria hispanica (Pulicaria paludosa) European Sun-Drops D N A 3, 6 V
Aster- Sunflower Rafinesquia californica California Chicory D N A 4 SpSu
Aster- Sunflower Rafinesquia neomexicana New Mexico Chicory D I A 4 Sp
Aster- Sunflower Senecio douglasii (Senecio flaccidus) Sand-Wash Groundsel D N P 1, 2 SuF
Aster- Sunflower Solidago confinis Southern Goldenrod D N P 3, 6 SuF
Aster- Sunflower Solidago occidentalis (Euthamia occidentalis) Western Goldenrod D N P 3, 6 SuF
Aster- Sunflower Sonchus asper Prickly Sow Thistle D I A 3, 6 V
Aster- Sunflower Stephanomeria exigua Annual Mitra D N A 4 V
Aster- Sunflower Stephanomeria pauciflora Desert-Straw D N P 4 V
Aster- Sunflower Stylocline gnaphalioides (Stylocline gnaphaloides) Everlasting Nest-Straw D N A 4, 5 Sp
Aster- Sunflower Viguiera deltoidea (Viguiera parishii) Parish Viguiera D N W 4 V
Aster- Sunflower Xanthium strumarium Cocklebur D I A 2, 3 SuF
Betul- Birch Alnus rhombifolia White Alder D N W 1, 6 WSp
Bignoni- Bignonia Chilopsis linearis Desert Catalpa D N W 5 SpSu
Boragin- Borage Amsinckia intermedia (Amsinckia menziesii) Coast Buckthorn D N A 1, 2, 4 Sp
Boragin- Borage Amsinckia tesselata Checker Fiddleneck D N A 1, 2, 4 Sp
Boragin- Borage Cryptantha angustifolia Narrow-Leaf Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha barbigera Bearded Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha circumcissa Western Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha decipiens Gravel Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha intermedia Common Cryptantha D N A 4 Sp
Boragin- Borage Cryptantha maritima White-Haired Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha micrantha Purple-Rooted Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha nevadensis Nevada Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha pterocarya Wing-Nut Forget-Me-Not D N A 4 Sp
Boragin- Borage Cryptantha racemosa Bushy Cryptantha D N P 4 Sp
Boragin- Borage Cryptantha utahensis Scented Forget-Me-Not D N A 4 Sp
Boragin- Borage Pectocarya linearis Slender Comb-Bur D N A 4 Sp
Boragin- Borage Pectocarya penicillata Hairy-Leaved Comb-Bur D N A 4 Sp
Boragin- Borage Pectocarya platycarpa Broad-Nutted Comb-Bur D N A 4 Sp
Boragin- Borage Pectocarya recurvata Arch-Nutted Comb-Bur D N A 4 Sp
Boragin- Borage Pectocarya setosa Stiff-Stemmed Comb-Bur D N A 4 Sp
Brassic- Mustard Arabis pulchra Prince's Rock-Cress D N P 4 Sp
Brassic- Mustard Brassica geniculata (Hirschfeldia geniculata) Mediterranean Mustard D I P 1, 2 Sp
Brassic- Mustard Brassica tournefortii Wild Turnip D I A 1, 2, 4 Sp
Brassic- Mustard Caulanthus cooperi Cooper Caulanthus D N P 4 Sp
Brassic- Mustard Descurainia pinnata Yellow Tansy Mustard D N A 1, 2, 4 Sp
Brassic- Mustard Descurainia sophia Flixweed D I A 1, 2, 4 Sp
Brassic- Mustard Hutchinsia procumbens Prostrate Hutchinsia D N A 4 Sp
Brassic- Mustard Lepidium lasiocarpum Sand Pepper Cress D N A 4 Sp
Brassic- Mustard Lepidium virginicum Bird's Pepper D I A 4 Sp
Brassic- Mustard Rorippa nasturtium-aquaticum Water-Cress D I P 3, 6 V
Brassic- Mustard Sisymbrium altissimum Tumbling Mustard D I A 1, 2, 4 Sp
Brassic- Mustard Sisymbrium irio London Rocket D I A 1, 2, 4 Sp
Brassic- Mustard Sisymbrium orientale Oriental Hedge-Mustard D I A 1, 2, 4 Sp
Brassic- Mustard Thelypodium lasiophyllum (Guillenia lasiophylla) Shaggy Thelypod D N A 4 Sp
Brassic- Mustard Tropidocarpum gracile Slender Keel-Fruit D N A 4 Sp
Bux- Jojoba Simmondsia chinensis Jojoba D N W 4 Sp
Cact- Cactus Echinocereus engelmanii Calico Cactus D N W 4 Sp
Cact- Cactus Ferocactus acanthodes (Ferocactus cylindraceus) Barrel Cactus D N W 4 Sp
Cact- Cactus Opuntia basilaris Beavertail Cactus D N W 4 Sp
Cact- Cactus Opuntia echinocarpa Thorny-Fruited Cactus D N W 4 Sp
Cact- Cactus Opuntia phaeacantha Coville's Tuna D N W 4 Sp
Cact- Cactus Opuntia ramosissima Pencil-Cactus D N W 4 Sp
Campanul- Bellflower Nemacladus glanduliferus Glandular Thread-Stem D N A 4, 5 Sp
Campanul- Bellflower Nemacladus longiflorus Long-Flowered Thread-Plant D N A 4, 5 Sp
Cappar- Caper Isomeris arborea Bladder-Pod D N W 4 V
Caryophyll- Pink Loeflingia squarrosa California Loeflingia D N A 4, 5 Sp
Caryophyll- Pink Spergularia marina Salt-Marsh Sand Spurry D N A 4, 5, 7 SpSu
Chenopodi- Goosefoot Atriplex canescens Four-Wing Saltbush D N W 4, 5 Su
Chenopodi- Goosefoot Atriplex lentiformis Quailbrush D I W 1, 2 SuF
Chenopodi- Goosefoot Atriplex rosea Redscale D I A 1, 2 SuF
Chenopodi- Goosefoot Atriplex serenana Bractscale D N A 1, 2 V
Chenopodi- Goosefoot Bassia hyssopifolia Five-Hook Bassia D I A 1, 2 SuF
Chenopodi- Goosefoot Chenopodium album Lamb's Quarters D I A 1, 2 V
Chenopodi- Goosefoot Chenopodium californicum California Soap-Plant D N P 6 Sp
Chenopodi- Goosefoot Chenopodium murale Nettle-Leaf Goosefoot D I A 1, 2 V
Chenopodi- Goosefoot Salsola iberica (Salsola tragus) Russian Thistle D I A 1, 2, 4 SuF
Convolvul- (Cuscut-) Morning-glory (Dodder) Cuscuta californica California Dodder D N A 4 SpSu
Crassul- Stonecrop Crassula erecta (Crassula connata) Sand Pygmy-Weed D N A 4, 5 Sp
Crassul- Stonecrop Dudleya saxosa Rock Live-Forever D N P 4 Sp
Crossosomat- Crossosoma Crossosoma bigelovii Ragged Rock-Flower D N W 4 Sp
Cucurbit- Gourd Cucurbita palmata Palmate-Leaved Gourd D N P 1, 2, 5 V
Cucurbit- Gourd Marah macrocarpus Chilicothe D N P 6 WSp
Cupress- Cypress Cupressus arizonica Arizona Cypress L I W 1 Sp
Cupress- Cypress Juniperus californica California Juniper L N W 4 Sp
Cyper- Sedge Carex diandra Lesser Panicled Sedge M N P 2 SpSu
Cyper- Sedge Carex praegracilis Clustered Field Sedge M N P 2 SpSu
Cyper- Sedge Cyperus esculentus Yellow Nut-Grass M I P 3, 6 V
Cyper- Sedge Eleocharis montevidensis Mexican Spike-Rush M N P 3, 4, 6 SpSu
Cyper- Sedge Eleocharis parishii Parish's Spike-Rush M N P 3, 6 SpSu
Cyper- Sedge Eleocharis rostellata Beaked Spike-Rush M N P 3, 6 SpSu
Cyper- Sedge Scirpus cernuus Low Club-Rush M N P 3, 6 SpSu
Cyper- Sedge Scirpus olneyi (Scirpus americanus) Olney Bulrush M N P 3, 6 SpSu
Elaeagn- Oleaster Eleagnus angustifolia Russian Olive D I W 2 Sp
Ephedr- Ephedra Ephedra californica California Joint Fir L N W 4 Sp
Ephedr- Ephedra Ephedra nevadensis Nevada Joint Fir L N W 4 Sp
Eric- Heath Arctostaphylos glauca Desert Manzanita D N W 4 Sp
Euphorbi- Spurge Chamaesyce (Euphorbia) albomarginata Rattlesnake-Weed D N P 1, 2, 4 V
Euphorbi- Spurge Chamaesyce (Euphorbia) maculata Prostrate Spotted Spurge D I A 2, 4 V
Euphorbi- Spurge Chamaesyce (Euphorbia) micromera Sonoran Sand-Mat D N A 4, 5 V
Euphorbi- Spurge Chamaesyce (Euphorbia) polycarpa Small-Seeded Sand-Mat D N P 4, 5 V
Euphorbi- Spurge Chamaesyce (Euphorbia) setiloba Bristle-Lobed Sand-Mat D N A 1, 2, 4 V
Euphorbi- Spurge Croton californicus Desert Croton D N P 1, 2, 4 V
Euphorbi- Spurge Stillingia linearifolia Desert Stillingia D N A 4 Sp
Fab- Legume Acacia greggii Cat's-Claw D N W 4 Su
Fab- Legume Astragalus tricarinatus Triple-Ribbed Milk-Vetch D N P 5 Sp
Fab- Legume Dalea californica (Psorothamnus arborescens) Mohave Dalea D N W 4 Sp
Fab- Legume Glycyrrhiza lepidota Wild Licorice D N P 3, 7 SpSu
Fab- Legume Lotus corniculatus Bird's-Foot Trefoil D I P 1 Su
Fab- Legume Lotus heermannii Wooly Lotus D N P 5 V
Fab- Legume Lotus scoparius Broom Deer-Weed D N A 4 SpSu
Fab- Legume Lotus strigosus Stiff-Haired Lotus D N A 4 Sp
Fab- Legume Lupinus concinnus Bajada Lupine D N A 4 Sp
Fab- Legume Lupinus excubitus Adonis Lupine D N P 4 Sp
Fab- Legume Lupinus hirsutissimus Nettle Annual Lupine D N A 4 Sp
Fab- Legume Lupinus polycarpus (Lupinus bicolor) Small-Flowered Annual Lupine D N A 2, 4 Sp
Fab- Legume Lupinus sparsiflorus Sparse-Flowered Lupine D N A 2, 4 Sp
Fab- Legume Medicago sativa Alfalfa D C A 1, 2 V
Fab- Legume Melilotus albus (Melilotus alba) White Sweetclover D I A 1, 2, 3 SpSu
Fab- Legume Melilotus indicus (Melilotus indica) Annual Yellow Sweetclover D I A 1, 2, 3 V
Fab- Legume Prosopis glandulosa Honey Mesquite D N W 6 Sp
Fab- Legume Prosopis pubescens Screw Bean D N W 6 SpSu
Fab- Legume Robinia pseudo-acacia Black Acacia D N W 1 Sp
Fag- Oak Quercus cornelius-mulleri Desert Scrub-Oak D N W 4 Sp
Gentian- Gentian Centaurium exaltatum Great Basin Centaury D N A 5 Sp
Gerani- Geranium Erodium cicutarium Red-Stem Filaree D I A 1, 2, 4 Sp
Hydrophyll- Waterleaf Emmenanthe penduliflora Whispering Bells D N A 4, 5 Sp
Hydrophyll- Waterleaf Eriodictyon trichocalyx Yerba Santa D N W 4, 5, 6 SpSu
Hydrophyll- Waterleaf Eucrypta chrysanthemifolia Torrey Eucrypta D N A 4 Sp
Hydrophyll- Waterleaf Nama demissum Purple Mat D N A 4 Sp
Hydrophyll- Waterleaf Phacelia campanularia Campanulate Phacelia D N A 4 Sp
Hydrophyll- Waterleaf Phacelia crenulata Notch-Leaved Phacelia D N A 4 Sp
Hydrophyll- Waterleaf Phacelia cryptantha Small-Flowered Phacelia D N A 4 Sp
Hydrophyll- Waterleaf Phacelia distans Common Phacelia D N A 4 Sp
Hydrophyll- Waterleaf Phacelia parryi Parry Phacelia D N A 4 Sp
Hydrophyll- Waterleaf Pholistoma membranaceum White Fiesta-Flower D N A 4 Sp
Hydrophyll- Waterleaf Turricula parryi Poodle-Dog Bush D N P 2 Su
Junc- Rush Juncus balticus Baltic Rush M N P 3, 6 SpSu
Junc- Rush Juncus bufonius Toad Rush M N A 3, 5, 7 SpSu
Junc- Rush Juncus dubius Mariposa Rush M N P 3 SpSu
Junc- Rush Juncus macrophyllus Long-Leaved Rush M N P 3 SpSu
Junc- Rush Juncus mexicanus Mexican Rush M N P 2, 3 SpSu
Junc- Rush Juncus rugulosus Wrinkled Rush M N P 3, 6 SpSu
Junc- Rush Juncus xiphioides Iris-Leaved Rush M N P 3, 6 SpSu
Krameri- Rhatany Krameria grayi White Rhatany D N W 4 Sp
Lami- Mint Marrubium vulgare Wild Horehound D I A 1, 2, 4 SpSu
Lami- Mint Mentha spicata Spearmint D I A 3 SuF
Lami- Mint Monardella linoides Narrow-Leaved Monardella D N P 4 SpSu
Lami- Mint Salazaria mexicana Paper-Bag Bush D N P 4 Sp
Lami- Mint Salvia apiana Bee Sage D N P 4 Sp
Lami- Mint Salvia columbariae Chia D N A 1, 2, 4 Sp
Lami- Mint Salvia vaseyi Wand Sage D N P 4 Sp
Lami- Mint Stachys albens White Hedge-Nettle D N P 3 Sp
Loas- Loasa Mentzelia albicaulis Small-Flowered Blazing Star D N A 4 Sp
Loas- Loasa Mentzelia involucrata Sand Blazing Star D N A 4 Sp
Loas- Loasa Mentzelia nitens Venus Blazing Star D N A 4 Sp
Loas- Loasa Petalonyx thurberi Sandpaper-Plant D N A 4, 5 SpSu
Lythr- Loosestrife Lythrum californicum California Loosestrife D N P 3 V
Malv- Mallow Eremalche exilis White Mallow D N A 2, 4 Sp
Malv- Mallow Sphaeralcea ambigua Desert Mallow D N P 2, 4 Sp
Malv- Mallow Sphaeralcea emoryi Emory's Desert-Mallow D N P 4 Sp
Nyctagin- Four o'Clock Boerhaavia triquetra Slender Boerhaavia D N A 1, 2, 4 Sp
Nyctagin- Four o'Clock Mirabilis bigelovii Wishbone Bush D N P 4 V
Nyctagin- Four o'Clock Mirabilis tenuiloba White Four-o'Clock D N P 4 Sp
Ole- Olive Fraxinus velutina Leather-Leaved Ash D N W 2, 3 Sp
Onagr- Evening Primrose Camissonia bistorta Southern Sun-Cup D N A 4 Sp
Onagr- Evening Primrose Camissonia californica California Primrose D N A 1, 2, 4 Sp
Onagr- Evening Primrose Camissonia campestris Field Primrose D N A 4 Sp
Onagr- Evening Primrose Camissonia cardiophylla Heart-Leaved Primrose D N A 4 Sp
Onagr- Evening Primrose Camissonia claeviflormis Brown-Eyed Primrose D N A 4 Sp
Onagr- Evening Primrose Camissonia hirtella Hairy Primrose D N A 4 Sp
Onagr- Evening Primrose Camissonia pallida Pale Yellow Primrose D N A 4 Sp
Onagr- Evening Primrose Camissonia strigulosa Narrow-Leaved Primrose D N A 4 Sp
Onagr- Evening Primrose Epilobium adenocaulon (Epilobium ciliatum) Northern Willow-Herb D N P 3, 6 Sp
Onagr- Evening Primrose Oenothera californica California Evening-Primrose D N P 6 Sp
Onagr- Evening Primrose Oenothera hookeri (Oenothera elata) Hooker's Primrose D N P 3, 6 Su
Onagr- Evening Primrose Zauschneria californica (Epilobium canum) California Fuchsia D N P 4 SuF
Orchid- Orchid Epipactis gigantea Giant Helleborine M N P 6 Sp
Orobanch- Broom-Rape Orobanche cooperi Desert Broomrape D N P 4 WSp
Orobanch- Broom-Rape Orobanche fasciculata Clustered Broomrape D N P 4 Sp
Papaver- Poppy Eschscholzia minutiflora Little Gold-Poppy D N A 4 Sp
Papaver- Poppy Eschscholzia parishii Parish's Poppy D N A 4 Sp
Plantagin- Plaintain Plantago major Common Plantain D I P 3 SpSu
Plantagin- Plaintain Plantago purshii (Plantago patagonica) Pursh Plantain D N A 4 Sp
Platan- Sycamore Platanus racemosa Sycamore D N W 6 Sp
Po- Grass Avena barbata Slender Oat M I A 1, 2 Sp
Po- Grass Bouteloua arisitidoides Needle Grama M N A 4, 5 Sp
Po- Grass Bouteloua barbata Six-Weeks Grama M N A 4, 5 Sp
Po- Grass Bromus diandrus Ripgut Grass M I A 1, 2 Sp
Po- Grass Bromus rubens (Bromus madritensis) Red Brome M I A 1, 2, 4 Sp
Po- Grass Bromus tectorum Downy Chess M I A 1, 2, 4 Sp
Po- Grass Bromus willdenovii (Bromus catharticus) Rescue Grass M I A 1, 2 Sp
Po- Grass Cynodon dactylon Bermuda Grass M C P 1, 2, 4 V
Po- Grass Distichlis spicata Saltgrass M N P 7 SpSu
Po- Grass Elymus triticoides (Leymus triticoides) Beardless Wild-Rye M N P 1, 2 SpSu
Po- Grass Festuca arundinacea Reed Fescue M I P 1, 2 Sp
Po- Grass Hilaria rigida (Pleuraphis rigida) Big Galleta M N P 4, 5 Sp
Po- Grass Hordeum glaucum (Hordeum murinum) Glaucus Wild-Barley M I P 1, 2 Sp
Po- Grass Hordeum leporinum (Hordeum murinum) European Wild-Barley M I P 1, 2 Sp
Po- Grass Lolium multiflorum Italian ryegrass M I P 1, 2 Sp
Po- Grass Melica frutescens Awnless Melic M N P 4 Sp
Po- Grass Muhlenbergia asperifolia Scratchgrass M N P 3, 7 SuF
Po- Grass Oryzopsis hymenoides (Achnatherum hymenoides) Indian Rice-Grass M N P 4 Sp
Po- Grass Pennisetum setaceum Fountain Grass M I P 3 V
Po- Grass Poa scabrella (Poa secunda) Pine Bluegrass M N P 4 Sp
Po- Grass Poa secunda Sandberg Bluegrass M N P 4 Sp
Po- Grass Polypogon interruptus Ditch Polypogon M I A 3 SpSu
Po- Grass Polypogon monspeliensis Rabbitfoot Grass M I A 3 SpSu
Po- Grass Polypogon semiverticillatus (Agrostis viridis) Layered Beardgrass M I A 3 Sp
Po- Grass Schismus barbatus Desert Blight M I A 1, 2, 4 Sp
Po- Grass Sporobolus aeroides Alkali Sacaton M N P 4 V
Po- Grass Sporobolus cryptandrus Sand Dropseed M N P 4 SpSu
Po- Grass Stipa speciosa (Achnatherum speciosum) Desert Needlegrass M N P 4 Sp
Polemoni- Phlox Eriastrum densifolium Mojave Eriastrum D N P 4, 5 Sp
Polemoni- Phlox Eriastrum diffusum Diffuse Eriastrum D N A 4, 5 Sp
Polemoni- Phlox Eriastrum eremicum Desert Eriastrum D N A 4, 5 Sp
Polemoni- Phlox Gilia capillaris Smooth-Leaved Gilia D N A 4 Sp
Polemoni- Phlox Gilia leptomeria Great Basin Gilia D N A 4 Sp
Polemoni- Phlox Gilia splendens Splendid Gilia D N A 4 Sp
Polemoni- Phlox Gilia stellata Star Gilia D N A 4 Sp
Polemoni- Phlox Langloisia matthewsii (Loeseliastrum matthewsii) Desert Calico D N A 4 Sp
Polemoni- Phlox Langloisia schottii (Loeseliastrum schottii) Schott Gilia D N A 4, 5 Sp
Polemoni- Phlox Linanthus aureus Golden Linanthus D N A 4 Sp
Polemoni- Phlox Linanthus jonesii Jones' Linanthus D N A 4 Sp
Polygon- Buckwheat Chorizanthe brevicornu Brittle Spine-Flower D N A 4 Sp
Polygon- Buckwheat Chorizanthe coriacea (Lastarriaea coriacea) Lastarriaea D N A 4 Sp
Polygon- Buckwheat Chorizanthe thurberi (Centrostegia thurberi) Thurber Spiny-Herb D N A 4 Sp
Polygon- Buckwheat Chorizanthe watsonii Watson Spiny-Herb D N A 4 Sp
Polygon- Buckwheat Chorizanthe xanti Xantus' Spineflower D N A 4 Sp
Polygon- Buckwheat Eriogonum angulosum Angle-Stemmed Buckwheat D N A 4 Sp
Polygon- Buckwheat Eriogonum baileyi Bailey Buckwheat D N A 4 Sp
Polygon- Buckwheat Eriogonum brachyanthum Yellow Buckwheat D N A 4 Sp
Polygon- Buckwheat Eriogonum davidsonii Glaucus Buckwheat D N A 1, 2, 4 Sp
Polygon- Buckwheat Eriogonum deflexum Skeleton Weed D N A 4 Sp
Polygon- Buckwheat Eriogonum elongatum Long-Stemmed Buckwheat D N P 4 SuF
Polygon- Buckwheat Eriogonum fasciculatum California Wild Buckwheat D N P 4 V
Polygon- Buckwheat Eriogonum gracile Slender Wooly Eriogonum D N A 4 Sp
Polygon- Buckwheat Eriogonum inflatum Desert Trumpet D N P 4 V
Polygon- Buckwheat Eriogonum maculatum Spotted Eriogonum D N A 4 V
Polygon- Buckwheat Eriogonum plumatella Flat-Top D N P 4 SuF
Polygon- Buckwheat Eriogonum pusillum Yellow Turban D N A 4 Sp
Polygon- Buckwheat Eriogonum saxatile Rock Buckwheat D N P 4 SpSu
Polygon- Buckwheat Eriogonum thomasii Thomas Eriogonum D N A 4 Sp
Polygon- Buckwheat Eriogonum thurberi Thurber's Eriogonum D N A 4 SpSu
Polygon- Buckwheat Eriogonum viridescens Green Buckwheat D N A 4 V
Polygon- Buckwheat Eriogonum wrightii Wright Buckwheat D N P 4 Suf
Polygon- Buckwheat Polygonum argyrocoleon Silver-Sheathed Knotweed D I A 1, 2 V
Polygon- Buckwheat Polygonum ramosissimum Yellow-Flowered Knotweed D I A 1, 2 SuF
Polygon- Buckwheat Pterostegia drymarioides Pterostegia D N A 4, 5 SpSu
Polygon- Buckwheat Rumex hymenosepalus Wild Rhubarb D N P 2 WSp
Portulac- Purslane Caliptridium monandrum Sand-Cress D N A 3, 5 Sp
Portulac- Purslane Portulaca oleracea Purslane D I A 1, 2 SpSu
Pterid- Brake Cheilanthes covillei Coville's Lip Fern L N P 4 Sp
Pterid- Brake Cheilanthes viscida Viscid Lip Fern L N P 4 Sp
Pterid- Brake Notholaena parryi (Cheilanthes parryi) Parry's Cloak Fern L N P 4 Sp
Pterid- Brake Pellaea mucronata Bird's-Foot Cliff Brake L N P 4 Sp
Ranuncul- Buttercup Clematis ligusticifolia Western Virgin's Bower D N P 3, 6 SpSU
Ranuncul- Buttercup Clematis pauciflora Small-Leaved Virgin's Bower D N P 3, 6 WSp
Ranuncul- Buttercup Delphinium parishii Parish Larkspur D N A 4 Sp
Ranuncul- Buttercup Ranunculus cymbalaria Desert Buttercup D N P 1, 2 Sp
Rhamn- Buckthorn Condaliopsis parryi (Ziziphus parryi) Parry Abrojo D N W 4 Sp
Rhamn- Buckthorn Rhamnus ilicifolia Small-Leaved Buckthorn D N W 4 Sp
Ros- Rose Prunus fasciculata Desert Almond D N W 4 Sp
Rubi- Madder Galium angustifolium Narrow-Leaved Bedstraw D N P 4 Sp
Rubi- Madder Galium stellatum Desert Bedstraw D N P 4 Sp
Rut- Rue Thamnosma montana Thamnosma D N P 4 Sp
Salic- Willow Populus fremontii Fremont Cottonwood D N W 1, 2, 6 Sp
Salic- Willow Salix exigua Slender Willow D N W 6 Sp
Salic- Willow Salix laevigata Red Willow D N W 6 Sp
Salic- Willow Salix lasiolepis Arroyo Willow D N W 6 Sp
Saurur- Lizard-Tail Anemopsis californicus Yerba Mansa D N P 3, 6 SpSu
Scrophulari- Figwort Antirrhinum coulterianum Coulter Snapdragon D N A 4 Sp
Scrophulari- Figwort Antirrhinum filipes Desert Snapdragon D N A 4 Sp
Scrophulari- Figwort Castilleja foliolosa Wooly Paintbrush D N P 4 Sp
Scrophulari- Figwort Castilleja linariaefolia (Castilleja linariifolia) Long-Leaved Paintbrush D N P 4 SpSu
Scrophulari- Figwort Cordylanthus filifolius (Cordylanthus rigidus) Narrow-Leaved Bird's-Beak D N A 4 SpSu
Scrophulari- Figwort Mimulus cardinalis Scarlet Monkey-Flower D N P 3 SpSu
Scrophulari- Figwort Mimulus floribundus Floriferous Monkey-Flower D N A 3 SpSu
Scrophulari- Figwort Mimulus guttatus Common Monkey-Flower D N A 3 SpSu
Scrophulari- Figwort Mimulus parishii Parish Mimulus D N P 3 SpSu
Scrophulari- Figwort Mohavea confertiflora Ghost-Flower D N A 4 Sp
Scrophulari- Figwort Penstemon spectabilis Notable Penstemon D N P 4 Sp
Selaginell- Spike-Moss Selaginella bigelovii Bushy Selaginella L N P 4 V
Solan- Nightshade Datura discolor Small Datura D N A 1, 2, 4 V
Solan- Nightshade Datura meteloides (Datura wrightii) Western Jimson-Weed D N A 1, 2, 4 V
Solan- Nightshade Lycium andersonii Anderson Thornbush D N W 4 Sp
Solan- Nightshade Nicotiana bigelovii (Nicotiana quadrivalvis) Indian Tobacco D N A 4 V
Solan- Nightshade Nicotiana glauca Tree Tobacco D I A 1, 2 SpSu
Solan- Nightshade Physalis crassifolia Thick-Leaved Ground-Cherry D N A 4, 5 Sp
Solan- Nightshade Solanum douglasii Douglas Black Nightshade D N P 6 V
Solan- Nightshade Solanum nodiflorum (Solanum americanum) American Black Nightshade D N P 6 V
Tamaric- Tamarisk Tamarisk aphylla Windbreak Tamarisk D I W 1, 2 V
Tamaric- Tamarisk Tamarisk ramosissima Shrubby Tamarisk D I W 1, 2, 5 V
Typh- Cattail Typha domingensis Cattail M N P 3 SpSu
Urtic- Nettle Urtica holosericea (Urtica dioica) Hoary Stinging-Nettle D N P 3, 4 V
Visc- Mistletoe Phoradendron bolleanum (pauciflorum) Fir Mistletoe D N P 6 V
Visc- Mistletoe Phoradendron californicum Mesquite Mistletoe D N P 4 V
Visc- Mistletoe Phoradendron tomentosum (Phoradendron macrophyllum) Fuzzy Mistletoe D N P 6 V
Zannichelli- Horned Pond-Weed Zannichellia palustris Horned Pond-Weed M N A 3 V
Zygophyll- Caltrop Larrea tridentata Creosote Bush D N W 2, 4, 5 V
Zygophyll- Caltrop Tribulus terrestris Puncture Vine D I A 1, 2 V

KEY TO THE CODES

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Family Names: Add -aceae                
                 
  COLUMN E Plant Type D = Dicotyledon            
    M = Monocotyledon            
    L = Lower Plant            
  COLUMN F N = Native Plant            
    I = Introduced Plant (Weed)            
    C = Cultivated and naturalized            
  COLUMN G A = Annual            
    P = Perennial Herb            
    W = Woody Shrub or Tree            
  COLUMN H Habitat 1 = Disturbed soil; not recovered from farming            
    2 = Formerly farmed but regenerating native plants            
    3 = Marsh; generally not highly alkaline            
    4 = Creosote or mesquite scrub; dry slopes; mountain sides            
    5 = Sandy desert washes; not highly alkaline            
    6 = Riparian, with willows; flowing water nearby            
    7 = Highly alkaline areas adjacent to freshwater marshes            
  COLUMN I Flowering Time Sp = Spring            
    Su = Summer            
    F = Fall            
    W = Winter            
    V = Various