Common names

Scientific names

alfalfa

Medicago sativa

barley

Hordeum vulgare

basalt milkvetch

Astragalus filipes

bluebunch wheatgrass

Pseudoroegneria spicata

corn, sweet corn

Zea mays

dry edible beans

Phaseolus spp.

fernleaf biscuitroot, desert parsley

Lomatium dissectum

gooseberryleaf globemallow

Sphaeralcea grossulariifolia

Gray’s lomatium

Lomatium grayi

Great Basin wildrye

Leymus cinereus

hicksii yew

Taxus x media

hotrock penstemon, scabland penstemon

Penstemon deustus

nineleaf desert parsley

Lomatium triternatum

onion

Allium cepa

Pacific yew

Taxus brevifolia

poplar trees, hybrid

Populus deltoides x P. nigra

potato

Solanum tuberosum

red globemallow

Sphaeralcea coccinea

Russian wildrye

Psathyrostachys juncea

sagebrush penstemon

Penstemon speciosus

Searls’ prairie clover

Dalea searlsiae

sharpleaf penstemon, sandhill penstemon

Penstemon acuminatus

Siberian wheatgrass

Agropyron fragile

silvery lupine

Lupinus argenteus

smallflower globemallow

Sphaeralcea parvifolia

soybeans

Glycine max

spearmint, peppermint

Mentha spp.

sugar beet

Beta vulgaris

sulfur buckwheat

Eriogonum umbellatum

teff

Eragrostis tef

Thurber’s needlegrass

Achnatherum thurberianum

triticale

Triticum x Secale

western prairie clover

Dalea ornata

western yarrow

Achillea millifolium

wheat

Triticum aestivum

Common names

Scientific names

annual sowthistle

Sonchus oleraceus

barnyardgrass

Echinochloa crus-galli

black medic

Medicago lupulina

blue mustard

Chorispora tenella

common lambsquarters

Chenopodium album

common mallow

Malva neglecta

dodder

Cuscuta spp.

downy brome

Bromus tectorum

field bindweed

Convolvulus arvensis

flixweed

Descurainia sophia

green foxtail

Setaria viridis

hairy nightshade

Solanum sarrachoides

kochia

Kochia scoparia

lady’s thumb

Polygonum persicaria

large crabgrass

Digitaria sanguinalis

Powell amaranth

Amaranthus powellii

prickly lettuce

Lactuca serriola

prostrate knotweed

Polygonum aviculare

redroot pigweed

Amaranthus retroflexus

Russian knapweed

Acroptilon repens

shepherd’s purse

Capsella bursa-pastoris

wild oat

Avena fatua

whitetop, hoarycress

Cardaria draba

yellow nutsedge

Cyperus esculentus

Common names

Scientific names

Diseases

Aphanomyces root rot

Aphanomyces euteiches

anthracnose

Colletotrichum trifolii,

bacterial wilt

Clavibacter michiganensis

fusarium wilt

Fusarium oxysporum

iris yellow spot virus

onion black mold

Aspergillus niger

onion neck rot, (gray mold)

Botrytis allii

onion plate rot

Fusarium oxysporum

phytophthora root rot

Phytophthora medicaginis

powdery mildew

Leveillula taurica

potato late blight

Phytophthora infestans

rust

Puccinia sherardiana

verticillium wilt

Verticillium spp.

Physiological disorders

onion translucent scale

potato sugar ends

potato jelly ends

Insects

alfalfa weevil

Hypera postica

cereal leaf beetle

Oulema melanopus

lygus bug

Lygus hesperus

onion maggot

Delia antiqua

onion thrips

Thrips tabaci

pea aphid

Acyrthosiphon pisum

seed corn maggot

Delia platura

spidermite

Tetranychus spp.

spotted alfalfa aphid

Therioaphis maculate

stinkbug

Pentatomidae spp.

sugar beet root maggot

Tetanops myopaeformis

western flower thrips

Franklinella occidentalis

willow sharpshooter

Graphocephala confluens (Uhler)

Nematodes

alfalfa stem nematode

Ditylenchus dipsaci

northern root-knot nematode

Meloidogyne hapla