native invasive plant list - nevada department … name arranged alphabetically common name...

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Appendix J: Native & Invasive Plant List J-1 APPENDIX J NATIVE & INVASIVE PLANT LIST The following tables capture the referenced plants, native and invasive species, found throughout this document. The Wildlife Action Plan Team elected to only use common names for plants to improve the readability, particular for the general reader. However, common names can create confusion for a variety of reasons. Common names can change from region-to-region; one common name can refer to more than one species; and common names have a way of changing over time. For example, there are two widespread species of greasewood in Nevada, and numerous species of sagebrush. In everyday conversation generic common names usually work well. But if you are considering management activities, landscape restoration or the habitat needs of a particular wildlife species, the need to differentiate between plant species and even subspecies suddenly takes on critical importance. This appendix provides the reader with a cross reference between the common plant names used in this document’s text, and the scientific names that link common names to the precise species to which writers referenced. With regards to invasive plants, all species listed under the Nevada Revised Statute 555 (NRS 555) as a “Noxious Weed” will be notated, within the larger table, as such. A noxious weed is a plant that has been designated by the state as a “species of plant which is, or is likely to be, detrimental or destructive and difficult to control or eradicate” (NRS 555.05). To assist the reader, we also included a separate table detailing the noxious weeds, category level (A, B, or C), and the typical habitats that these species invade. Common Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) acacia, catclaw Acacia greggii agave Agave spp. alder, mountain Alnus incana alder, white Alnus rhombifolia alder sp. Alnus spp. arrowhead Sagittaria cuneata arrowweed Pluchea sericea ash, velvet Fraxinus velutina aspen Populus tremuloides aspen, quaking Populus tremuloides aster Aster spp. avens, alpine Geum rossii balsamroot, arrowleaf Balsamorhiza sagittata barberry, creeping Berberis repens beeflower Cleome serrulata birch Betula spp. birch, water Betula occidentalis bitterbrush, antelope Purshia tridentata bitterbrush Purshia tridentata bittercherry Prunus emarginata

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Page 1: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-1

APPENDIX J

NATIVE & INVASIVE PLANT LIST

The following tables capture the referenced plants, native and invasive species, found throughout this document. The Wildlife Action Plan Team elected to only use common names for plants to improve the readability, particular for the general reader. However, common names can create confusion for a variety of reasons. Common names can change from region-to-region; one common name can refer to more than one species; and common names have a way of changing over time. For example, there are two widespread species of greasewood in Nevada, and numerous species of sagebrush. In everyday conversation generic common names usually work well. But if you are considering management activities, landscape restoration or the habitat needs of a particular wildlife species, the need to differentiate between plant species and even subspecies suddenly takes on critical importance. This appendix provides the reader with a cross reference between the common plant names used in this document’s text, and the scientific names that link common names to the precise species to which writers referenced. With regards to invasive plants, all species listed under the Nevada Revised Statute 555 (NRS 555) as a “Noxious Weed” will be notated, within the larger table, as such. A noxious weed is a plant that has been designated by the state as a “species of plant which is, or is likely to be, detrimental or destructive and difficult to control or eradicate” (NRS 555.05). To assist the reader, we also included a separate table detailing the noxious weeds, category level (A, B, or C), and the typical habitats that these species invade.

Common Name Arranged Alphabetically

Common Name Scientific Name

Status (E=Exotic; I=Invasive;

N=Noxious)

acacia, catclaw Acacia greggii

agave Agave spp.

alder, mountain Alnus incana

alder, white Alnus rhombifolia

alder sp. Alnus spp.

arrowhead Sagittaria cuneata

arrowweed Pluchea sericea

ash, velvet Fraxinus velutina

aspen Populus tremuloides

aspen, quaking Populus tremuloides

aster Aster spp.

avens, alpine Geum rossii

balsamroot, arrowleaf Balsamorhiza sagittata

barberry, creeping Berberis repens

beeflower Cleome serrulata

birch Betula spp.

birch, water Betula occidentalis

bitterbrush, antelope Purshia tridentata

bitterbrush Purshia tridentata

bittercherry Prunus emarginata

Page 2: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-2

blackbrush Coleogyne ramosissima

bluegrass Poa spp.

borax-weed, western Nitrophila occidentalis

boxthorn Lycium spp.

brome, red Bromus madritensis var. rubens

buckbrush Ceanothus velutinus

buckwheat, California Eriogonum fasciculatum

buckthorn Rhamnus spp.

budsage Artemisia spinescens

buffaloberry Shepherdia argentea

bulrush Scirpus spp.

bulrush, alkali Scirpus maritimus

bulrush, hardstem Scirpus acutus

burreed Sparganium spp.

bursage, white Ambrosia dumosa

cactus, beavertail Opuntia basilaris

camassia Camassia quamash

cattail Typha spp.

ceanothus, cup-leaf Ceanothus greggii var. vestitus

ceanothus Ceanothus spp.

cedar, incense Calocedrus decurrens

celery, wild Apium graveolens E

chamise Adenostoma spp.

cheatgrass Bromus tectorum E, I

chinquapin Chrysolepis sempervirens

chokecherry Prunus virginiana

cholla, buckhorn Opuntia acanthocarpa

cholla Opuntia spp.

chuparosa Justica californica

cicely, Western sweet Osmorhiza occidentalis

cinquefoil Potentilla spp.

cinquefoil, shrubby Pentaphylloides fruticosa

cliffrose Purshia stansburiana

columbine Aquilegia spp.

cottonwood, black Populus trichocarpa

cottonwood, Fremont Populus deltoides var. fremontii

creosote bush Larrea tridentata

currant Ribes spp.

currant, golden Ribes aureum

currant, Sierra Ribes nevadense

currant, squaw Ribes cereum

dalea Psorothamnus spp.

desert holly Atriplex hymenelytra

desert-thorn Lycium spp.

didymo Didymosphenia geminata

I

dogwood Cornus spp.

dogwood, red-osier Cornus sericea

dropseed, sand Sporobolus cryptandrus

Page 3: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-3

elder Sambucus spp.

elderberry, red Sambucus racemosa

elodea, Brazilian Egeria densa E, I

fern, bracken Pteridium aquilinum

fescue, Idaho Festuca idahoensis

fir, Douglas Pseudotsuga menziesii

fir, red Abies magnifica

fir, subalpine Abies lasiocarpa

fir, white Abies concolor

fireweed Chamerion spp.

flatsedge Cyperus spp.

galleta Pleuraphis jamesii

geranium, sticky Geranium viscosissimum

gilia, scarlet Ipomopsis aggregata

globemallow Sphaeralcea spp.

gooseberry, mountain Ribes roezlii

grama, blue Bouteloua gracilis

grass, needle-and-thread Hesperostipa comata

greasewood Sarcobatus vermiculatus

hackberry Celtis reticulata

hairgrass, slender Deschampsia elongata

hairgrass, tufted Deschampsia cespitosa

halogeton Halogeton glomeratus E, I

heath Erica spp. E

hellebore, false Veratrum californicum

hemlock, mountain Tsuga mertensiana

holly, desert Atriplex hymenelytra

honeysuckle Lonicera spp.

hopsage Grayia spinosa

horsebrush, four-part Tetradymia tetrameres

horsemint Monardella spp.

iodinebush Allenrolfea occidentalis

Joshua tree Yucca brevifolia

juniper, California Juniperus californica

juniper, common Juniperus communis

juniper, Utah Juniperus osteosperma

juniper, Rocky Mountain Juniperus scopulorum

juniper, western Juniperus occidentalis

larkspur Delphinium spp.

lavender, desert Hyptis emoryi

lily Lilium spp.

lily, water Nymphaea spp.

liveoak, shrub Quercus turbinella

lupine Lupinus spp.

lycium Lycium spp.

manzanita Arctostaphylos spp.

manzanita, greenleaf Arctostaphylos patula

manzanita, Mexican Arctostaphylos pungens

Page 4: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-4

maple, bigtooth Acer macrophyllum

meadowrue, Fendler Thalictrum fendleri

medusahead Taeniatherum caput-medusae E, I, N

mesquite, honey Prosopis glandulosa

mesquite, screwbean Prosopis pubescens

mistletoe Phoradendron spp.

mistletoe, desert Phoradendron californicum

Mormon tea Ephedra spp.

mountain-mahogany Cercocarpus spp.

mountain-mahogany, alderleaf Cercocarpus. montanus

mountain-mahogany, curlleaf Cercocarpus ledifolius

mountain-mahogany, littleleaf Cercocarpus intricatus

mule's ears, mountain Wyethia mollis

mule's ears, northern Wyethia amplexicaulis

mustard, sahara Brassica tournefortii E, I, N

mustard, tansy Descurainia spp. E, I

needle-and-thread Hesperostipa comata

needlegrass, Western Achnatherum occidentalis

oak, black Quercus kelloggii

oak, Gambel's Quercus gambelli

oak, scrub Quercus spp.

oak, shrub live Quercus turbinella

ocotillo Fouquieria splendens spp. splendens

olive, Russian Elaeagnus angustifolius E, I

paintbrush, Indian Castilleja spp.

palm, California fan Washingtonia filifera E, I

paloverde Cercidium spp.

pennyroyal Monardella spp.

penstemon Penstemon spp.

phlox, cushion Phlox pulvinata

phragmites Phragmites australis I

pine, Intermountain bristlecone Pinus longaeva

pine, Jeffrey Pinus jeffreyi

pine, limber Pinus flexilis

pine, lodgepole Pinus contorta

pine, ponderosa Pinus ponderosa

pine, sugar Pinus lambertiana

pine, western white Pinus monticola

pine, whitebark Pinus albicaulis

pinyon, singleleaf Pinus monophylla

pondweed Potamogeton spp.

pondweed, curly-leaf Potamogeton crispus E, I

pondweed, sago Potamogeton pectinatus

quailbush Atriplex lentiformis

rabbitbrush Chrysothamnus spp.

rabbitbrush, rubber Chrysothamnus nauseosus

ricegrass, Indian Achnatherum hymenoides

rice, wild Zizania spp.

Page 5: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-5

rose, wild Rosa woodsii var. ultramontana

rush Juncus spp.

rush, Baltic Juncus balticus

rush, Sierra Juncus nevadensis

sacaton, alkali Sporobolus airoides

sage Salvia spp.

sagebrush Artemisia spp.

sagebrush, big Artemisia tridentata ssp. tridentata

sagebrush, black Artemisia nova

sagebrush, mountain Artemisia tridentata var.vaseyana

sagebrush, low Artemisia arbuscula

sagebrush, Wyoming Artemisia tridentata var. wyomingensis

salmonberry Rubus spectabilis

saltbush Atriplex spp.

saltbush, fourwing Atriplex canescens

saltbush, many-fruit Atriplex polycarpa

saltcedar Tamarix ramosissima E, I, N

saltgrass Distichlis spicata

sand-verbena, desert Abronia villosa

sedge, Ross Carex rossii

seepweed Suaeda moquinii

seepwillow Baccharis salicifolia

serviceberry Amelanchier spp.

shadscale Atriplex confertifolia

shooting star Dodecatheon jeffreyi

silktassel, ashy Garrya flavescens

silktassel, Wright's Garrya wrightii

smartweed Polygonum spp.

smartweed, water Polygonum amphibium

snapdragon Antirrhinum spp.

snowberry Symphoricarpos spp.

spikerush Eleocharis spp.

spruce, Engelmann Picea engelmannii

squaw-apple Peraphyllum ramosissimum

squirreltail Elymus elymoides

stork’s bill Erodium cicutarium

sumac Rhus spp.

sumac, oakleaf Rhus trilobata

sycamore Platanus racemosa

thistle, Canada Cirsium arvense E, I, N

thistle, Musk Carduus nutans E, I, N

thistle, Russian Salsola tragus E, I

thistle, Scotch Onopordum acanthium E, I, N

timothy, alpine Phleum alpinum

toad-flax Linaria spp. E, I, N

tule Scirpus acutus

Page 6: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-6

valerian, Western Valeriana occicidentalis

wheatgrass, bluebunch Pseudoroegneria spicata

wheatgrass, crested Agropyron desertorum E

wheatgrass, intermediate Elytrigia intermedia E

whitetop, tall (perennial pepperweed) Lepidium latifolium E, I, N

wigeongrass Ruppia maritima

wildrye, blue Elymus glaucus

wildrye, creeping Leymus triticoides

wildrye, Great Basin Leymus cinereus

willow Salix spp.

willow, arroyo Salix lasiolepis

willow, coyote Salix exigua

willow, desert Chilopsis linearis

willow, Goodding Salix gooddingii

willow, red Salix laevigata

willow, shining Salix lucida

winterfat Krascheninnikovia lanata

yarrow, common Achillea millefolium

yucca Yucca spp.

Scientific Name Arranged Alphabetically

Common Name Scientific Name

Status (E=Exotic; I=Invasive;

N=Noxious)

Abies concolor fir, white

Abies lasiocarpa fir, subalpine

Abies magnifica fir, red

Abronia villosa sand-verbena, desert

Acacia greggii acacia, catclaw

Acacia greggii catclaw

Acer macrophyllum maple, bigtooth

Achillea millefolium yarrow, common

Achnatherum hymenoides ricegrass, Indian

Achnatherum occidentalis needlegrass, Western

Adenostoma spp. chamise

Agave spp. agave

Agropyron desertorum wheatgrass, crested E

Allenrolfea occidentalis iodinebush

Alnus incana alder, mountain

Alnus rhombifolia alder, white

Alnus spp. alder sp.

Ambrosia dumosa bursage, white

Amelanchier spp. serviceberry

Antirrhinum spp snapdragon

Apium graveolens celery, wild E

Aquilegia spp. columbine

Arctostaphylos pungens manzanita, Mexican

Page 7: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-7

Arctostaphylos patula manzanita, greenleaf

Arctostaphylos spp. manzanita

Artemisia arbuscula sagebrush, low

Artemisia nova sagebrush, black

Artemisia spinescens budsage

Artemisia spp. sagebrush

Artemisia tridentata ssp. tridentata sagebrush, big

Artemisia tridentata var. wyomingensis sagebrush, Wyoming

Artemisia tridentata var.vaseyana sagebrush, mountain

Aster spp. aster

Atriplex canescens saltbush, fourwing

Atriplex confertifolia shadscale

Atriplex hymenelytra desert holly

Atriplex hymenelytra holly, desert

Atriplex lentiformis quailbush

Atriplex polycarpa saltbush, many-fruit

Atriplex spp. saltbush

Baccharis salicifolia seepwillow

Balsamorhiza sagittata balsamroot, arrowleaf

Berberis repens barberry, creeping

Betula occidentalis birch, water

Betula spp. birch

Bouteloua gracilis grama, blue

Brassica tournefortii mustard, sahara E, I, N

Bromus madritensis var. rubens brome, red E, I

Bromus tectorum cheatgrass E, I

Calocedrus decurrens cedar, incense

Camassia quamash camassia

Carduus nutans thistle, Musk E, I, N

Castilleja spp. paintbrush, Indian

Ceanothus greggii var. vestitus ceanothus, cup-leaf

Ceanothus spp. ceanothus

Ceanothus velutinus buckbrush

Celtis reticulata hackberry

Cercidium spp. paloverde

Cercocarpus intricatus mountain-mahogany, littleleaf

Cercocarpus ledifolius mountain-mahogany, curlleaf

Cercocarpus spp. mountain-mahogany

Cercocarpus. montanus mountain-mahogany, alderleaf

Chamerion spp. fireweed

Chilopsis linearis willow, desert

Chrysolepis sempervirens chinquapin

Chrysothamnus nauseosus rabbitbrush, rubber

Chrysothamnus spp. rabbitbrush

Cirsium arvense thistle, Canada

Cleome serrulata beeflower

Coleogyne ramosissima blackbrush

Cornus sericea dogwood, red-osier

Page 8: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-8

Cornus spp. dogwood

Cyperus spp. flatsedge

Delphinium spp. larkspur

Deschampsia cespitosa hairgrass, tufted

Deschampsia elongata hairgrass, slender

Descurainia spp. mustard, tansy E, I

Distichlis spicata saltgrass

Dodecatheon jeffreyi shooting star

Elaeagnus angustifolius olive, Russian E, I

Eleocharis spp. spikerush

Egeria densa elodea, Brazilian E, I

Elymus elymoides squirreltail

Elymus glaucus wildrye, blue

Elytrigia intermedia wheatgrass, intermediate E

Ephedra spp. Mormon tea

Erica spp. heath E

Eriogonum fasciculatum buckwheat, California

Erodium cicutarium stork’s bill

Festuca idahoensis fescue, Idaho

Fouquieria splendens spp. splendens ocotillo

Fraxinus velutina ash, velvet

Garrya flavescens silktassel, ashy

Garrya wrightii silktassel, Wright's

Geranium viscosissimum geranium, sticky

Geum rossii avens, alpine

Grayia spinosa hopsage

Halogeton glomeratus halogeton E, I

Hesperostipa comata grass, needle-and-thread

Hesperostipa comata needle-and-thread

Hyptis emoryi lavender, desert

Ipomopsis aggregata gilia, scarlet

Juncus balticus rush, Baltic

Juncus nevadensis rush, Sierra

Juncus spp. rush

Juniperus californica juniper, California

Juniperus communis juniper, common

Juniperus occidentalis juniper, western

Juniperus osteosperma juniper, Utah

Juniperus scopulorum juniper, Rocky Mountain

Justica californica chuparosa

Krascheninnikovia lanata winterfat

Larrea tridentata creosote bush

Lepidium latifolium whitetop, tall (perennial pepperweed) E, I, N

Leymus cinereus wildrye, Great Basin

Leymus triticoides wildrye, creeping

Lilium spp. lily

Linaria spp. toad-flax E, I, N

Lonicera spp. honeysuckle

Page 9: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-9

Lupinus spp. lupine

Lycium spp. boxthorn

Lycium spp. desert-thorn

Lycium spp. lycium

Monardella spp. horsemint

Monardella spp. pennyroyal

Nitrophila occidentalis borax-weed, western

Nymphaea spp. lily, water

Onopordum acanthium thistle, Scotch E, I, N

Opuntia acanthocarpa cholla, buckhorn

Opuntia basilaris cactus, beavertail

Opuntia spp. cholla

Osmorhiza occidentalis cicely, Western sweet

Penstemon spp. penstemon

Pentaphylloides fruticosa cinquefoil, shrubby

Peraphyllum ramosissimum squaw-apple

Phleum alpinum timothy, alpine

Phlox pulvinata phlox, cushion

Phoradendron californicum mistletoe, desert

Phoradendron spp. mistletoe

Phragmites australis phragmites I

Picea engelmannii spruce, Engelmann

Pinus albicaulis pine, whitebark

Pinus contorta pine, lodgepole

Pinus flexilis pine, limber

Pinus jeffreyi pine, Jeffrey

Pinus lambertiana pine, sugar

Pinus longaeva pine, Intermountain bristlecone

Pinus monophylla pinyon, singleleaf

Pinus monticola pine, western white

Pinus ponderosa pine, ponderosa

Platanus racemosa sycamore

Pleuraphis jamesii galleta

Pluchea sericea arrowweed

Poa spp. bluegrass

Polygonum amphibium spp. smartweed, water

Polygonum spp. smartweed

Populus deltoides var. fremontii cottonwood, Fremont

Populus tremuloides aspen

Populus tremuloides aspen, quaking

Populus trichocarpa cottonwood, black

Potamogeton crispus pondweed, curly-leaf E, I

Potamogeton pectinatus pondweed, sago

Potamogeton spp. pondweed

Potentilla spp. cinquefoil

Prosopis glandulosa mesquite, honey

Prosopis pubescens mesquite, screwbean

Prunus emarginata bittercherry

Page 10: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-10

Prunus virginiana chokecherry

Pseudoroegneria spicata wheatgrass, bluebunch

Pseudotsuga menziesii fir, Douglas

Psorothamnus spp. dalea

Pteridium aquilinum fern, bracken

Purshia stansburiana cliffrose

Purshia tridentata bitterbrush, antelope

Purshia tridentata bitterbrush

Quercus gambelli oak, Gambel's

Quercus kelloggii oak, black

Quercus spp. oak, scrub

Quercus turbinella liveoak, shrub

Quercus turbinella oak, shrub live

Rhamnus spp. buckthorn

Rhus spp. sumac

Rhus trilobata sumac, oakleaf

Ribes aureum currant, golden

Ribes cereum currant, squaw

Ribes nevadense currant, Sierra

Ribes roezlii gooseberry, mountain

Ribes spp. currant

Rosa woodsii var. ultramontana rose, wild

Rubus spectabilis salmonberry

Ruppia maritima wigeongrass

Sagittaria cuneata arrowhead

Salix exigua willow, coyote

Salix gooddingii willow, Goodding

Salix laevigata willow, red

Salix lasiolepis willow, arroyo

Salix lucida willow, shining

Salix spp. willow

Salsola tragus thistle, Russian E, I

Salvia spp. sage

Sambucus racemosa elderberry, red

Sambucus spp. elder

Sarcobatus vermiculatus greasewood

Scirpus acutus bulrush, hardstem

Scirpus acutus tule

Scirpus maritimus bulrush, alkali

Scirpus spp. bulrush

Shepherdia argentea buffaloberry

Sparganium spp. burreed

Sphaeralcea spp. globemallow

Sporobolus airoides sacaton, alkali

Sporobolus cryptandrus dropseed, sand

Suaeda moquinii seepweed

Symphoricarpos spp. snowberry

Taeniatherum caput-medusae medusahead E, I, N

Page 11: NATIVE INVASIVE PLANT LIST - Nevada Department … Name Arranged Alphabetically Common Name Scientific Name Status (E=Exotic; I=Invasive; N=Noxious) Abies concolor fir, white Abies

Appendix J: Native & Invasive Plant List

J-11

Tamarix ramosissima saltcedar E, I, N

Tetradymia tetrameres horsebrush, four-part

Thalictrum fendleri meadowrue, Fendler

Tsuga mertensiana hemlock, mountain

Typha spp. cattail

Valeriana occicidentalis valerian, Western

Veratrum californicum hellebore, false

Washingtonia filifera palm, California fan E, I

Wyethia amplexicaulis mule's ears, northern

Wyethia mollis mule's ears, mountain

Yucca brevifolia Joshua tree

Yucca spp. yucca

Zizania spp. rice, wild

Noxious Weed List (NRS 555) Category A Weeds are generally not found or that are limited in distribution throughout the State. Such weeds are subject to: (a) Active exclusion from the State and active eradication wherever found; (b) Active eradication from the premises of a dealer of nursery stock.

Common Name Scientific Name Common Areas Found African rue Peganum harmala dry, alkali

Austrian fieldcress Rorippa austriaca wet soils, marshes, wet meadows

Black henbane Hyoscyamus niger pastures, roadsides

Camelthorn Alhagi pseudalhagi dry soils, moist areas, riparian

Common crupina Crupina vulgaris rangelands, forest, grasslands

Common St. Johnswort Hypericum perforatum shrublands with sandy, gravely soils

Crimson fountain grass Pennisetum setaceum dry areas, rocky soils, dry riverbeds

Dalmatian toadflax Linaria dalmatica roadsides, rangelands

Dyer’s woad Isatis tinctoria roadsides, disturbed sites, pastures, rangeland

Eurasian watermilfoil Myriophyllum spicatum aquatic systems

Giant reed Arundo donax wetlands

Giant salvinia Salvinia molesta and other S. spp. aquatic

Goatsrue Galega officinalis agricultural areas, waterways, marshes

Houndstongue Cynoglossum officinale pastures, roadsides, disturbed areas

Hydrilla Hydrilla verticillata aquatic

Iberian starthistle Centaurea iberica roadsides, disturbed areas

Malta starthistle Centaurea melitensis roadsides, disturbed areas

Mayweed chamomile Anthemis cotula agricultural areas, pastures

Mediterranean sage Salvia aethiopis pastures, meadows, open areas

Perennial sowthistle Sonchus arvensis moist areas, agricultural areas, ditchbanks

Purple loosestrife Lythrum salicaria, L. virgatum & cultivars wetlands, riparian, agricultural areas

Purple starthistle Centaurea calcitrapa roadsides, disturbed agricultural areas

Rush skeletonweed Chondrilla juncea disturbed soils, rangeland, pastures

Spotted knapweed Centaurea maculosa any disturbed soils

Squarrose knapweed Centaurea virgata rangelands

Sulfur cinquefoil Potentilla recta disturbed areas, roadsides

Swainsonpea Sphaerophysa salsul roadsides, fencelines

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Syrian beancaper Zygophyllum fabago dry saline sites, disturbed soils

Yellow starthistle Centaurea solstitialis roadsides, disturbed areas

Yellow toadflax Linaria vulgaris rangelands, shrublands

Category B Weeds that are generally established in scattered populations in some counties of the State. Such weeds are subject to: (a) Active exclusion where possible; (b) Active eradication from the premises of a dealer of nursery stock.

Common Name Scientific Name Common Areas Found African mustard Brassica tournefortii disturbed areas, desert shrublands

Diffuse knapweed Centaurea diffusa dry rangelands, overgrazed pasture, roadsides

Horsenettle Solanum carolinense wetlands, riparian, agricultural areas, pasture

Leafy spurge Euphorbia esula pasturelands, wet meadows

Medusahead Taeniatherum caput-medusae dry, rangeland, pastures

Musk thistle Carduus nutans agricultural, riparian, wetlands, meadows

Russian knapweed Acroptilon repens highly disturbed areas, roadsides, fields

Scotch thistle Onopordum acanthium roadsides, disturbed areas, fields

Silverleaf nightshade Solanum elaeagnifolium riparian, wetlands, agricultural areas

Category C Weeds are weeds that are generally established and generally widespread in many counties of the State. Such weeds are subject to active eradication from the premises of a dealer of nursery stock.

Common Name Scientific Name Common Areas Found Canada thistle Cirsium arvense riparian, agricultural areas

Hoary cress Cardaria draba highly disturbed areas, riparian, agricultural, meadows, alkali soils

Johnsongrass Sorghum halepense fields, agricultural areas, meadows

Perennial pepperweed Lepidium latifolium riparian, wetlands, agricultural areas

Poison-hemlock Conium maculatum riparian, wetlands, irrigation

Puncturevine Tribulus terrestris disturbed soils in open areas, fields

Salt cedar (tamarisk) Tamarix spp. riparian, ornamental landscapes

Spotted water hemlock Cicuta maculata poorly drained soils, ditchbanks

Literature Cited

Baldwin, B. G., S. Boyd, B. J. Ertter, R. W. Patterson, T. J. Rosati, and D. H. Wilken. 2002. The Jepson Desert

Manual – Vascular Plants of Southeastern California. University of California Press, Berkeley. 624 pp. Cronquist, A., A. H. Holmgren, N. H. Holmgren, J. L. Reveal, and P. K. Holmgren (in six volumes). 1972-2005.

Intermountain Flora – Vascular Plants of the Intermountain West, U.S.A. New York Botanical Garden, Bronx. Hickman, J. C. (ed.) 1993. The Jepson Manual – Higher Plants of California. University of California Press,

Berkeley. 1400 pp.

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U.S. Department of Agriculture Agricultural Library. National Invasive Species Information Center. 2011. www.invasivespeciesinfo.gov. Western Society of Weed Science. Weeds of the West. 2000. University of Wyoming, Jackson. 628 pp.