UC IPM Online UC ANR home page UC IPM home page


SKIP navigation


How to Manage Pests

UC Pest Management Guidelines


Weed Photo Gallery,
with common and scientific names

(Reviewed 12/09, updated 12/09)

In this Guideline: More about weeds in spinach:

Common names link to pages with weed descriptions and photos, up to 100K, often showing several stages of development.

Common Names Scientific Names
barley, foxtail Hordeum jubatum
barley, hare Hordeum murinum ssp. leporinum
barnyardgrass Echinochloa crus-galli
bindweed, field Convolvulus arvensis
bluegrass, annual Poa annua
burclover, California Medicago polymorpha
chickweed, common Stellaria media
cockleburs Xanthium spp.
cudweeds Gnaphalium spp.
dodder Cuscuta spp.
fiddlenecks Amsinckia spp.
filarees Erodium spp.
flixweed Descurainia sophia
goosefoot, nettleleaf Chenopodium murale
groundsel, common Senecio vilgaris
henbit Lamium amplexicaule
knotweed, common Polygonum arenastrum
ladysthumb Polygonum persicaria
lambsquarters, common Chenopodium album
lettuce, prickly Lactuca serriola
mallow, little (cheeseweed) Malva parviflora
medic, black Medicago lupulina
morningglories Ipomoea spp.
mustards Brassica and Sinapis spp.
nettle, burning Urtica urens
nightshade, black Solanum nigrum
nightshade, hairy Solanum sarrachoides
nutsedge, yellow Cyperus esculentus
oat, wild Avena fatua
pigweeds Amaranthus spp.
pineappleweed Chamomilla suaveolens
purslane, common Portulaca oleracea
radish, wild Raphanus raphanistrum
rocket, London Sisymbrium irio
ryegrass, Italian Lolium multiflorum
shepherd's-purse Capsella bursa-pastoris
smartweed, pale Polygonum lapathofolium
sowthistles Sonchus spp.
sprangletops Leptochloa spp.
sweetclovers Melilotus officinalis
swinecress Coronopus didymus


[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Spinach
UC ANR Publication 3467
R. F. Smith, UC Cooperative Extension, Monterey County
S. A. Fennimore, Weed Science/Plant Sciences, UC Davis/Salinas
M. LeStrange, UC Cooperative Extension, Tulare County

Top of page

Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2017 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

Agriculture and Natural Resources, University of California

Accessibility   Contact webmaster.