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University of California Cooperative Extension Ventura County
669 County Square Drive, Suite 100
Ventura, CA 93003
Phone: 805.645.1451
Fax: 805.645.1474

Office Directory

Office Hours:
Monday - Friday from 9 a.m. to 4 p.m. 

The office will be closed for the following holidays:

March 29 – Ceaser Chavez Day
May 27 – Memorial Day
June 19 – Juneteenth
July 4 - Independence Day

Room Reservation Requests

 

Alphabetical List by Common Name

 

U
X
Z

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A

Annual bluegrass (Poa annua)
Annual Sowthistle (Sonchus oleraceus)
Annual yellow sweetclover (Melilotus indicus)
Arizona brome (Bromus arizonicus)
Australian saltbush (Atriplex semibaccata)

B

Barnyardgrass (Echinochloa crusgalli)
Bearded Sprangletop
(Leptochloa fascicularis)
Bermudagrass
(Cynodon dactylon)
Big-leaf mistletoe
(Phoradendron macrophyllum)
Bindweed,
Field (Convolvulus arvensis)
Black mustard
(Brassica nigra)
Black nightshade
(Solanum nigrum)
Bladderflower
(Araujia sericifera)
Broadleaf Filaree
(Erodium botrys)
Broadleaf Plantain
(Plantago major)
Buckhorn Plantain
(Plantago lanceolata)
Buffalobur
(Solanum rostratum)
Bulbous bluegrass
(Poa bulbosa)
Bull thistle
(Cirsium vulgare)
Burdock, Common
(Arctium lappa)
Burning nettle
(Urtica urens)
Buttercup Oxalis
(Oxalis pes-caprae)

C

California burclover (Medicago polymorpha)
California slender nettle
(Uritica dioica)
Canadian horseweed
(Conyza canadensis)
Canada thistle
(Cirsium arvense)
Cape ivy
(Delairea odorata)
Castorbean
(Ricinus communis)
Cattail, Common (Typha latifolia)
Cheat grass, downy brome
(Bromus tectorum)
Chickweed, Common (Stellaria media)
Chicory
(Cichorium intybus)
Cocklebur (Xanthium strumarium)
Creeping spurge (Chamaesyce serpens)
Creeping woodsorrel
(Oxalis corniculata)
Crimson fountain grass
(Pennisetum setaceum)
Curly dock
(Rumex crispus)

D

Dallisgrass (Paspalum dilatatum)
Dandelion
(Taraxacum officinale)
Downy brome, cheat grass
(Bromus tectorum)

E

English ivy (Hedera helix)
Everlasting peavine
(Lathyrus latifolius)

F

False garlic (Nothoscordum inodorum)
Feather-finger grass
(Chloris virgata)
Feathertop
(Pennisetum villosum)
Fennel, Common
(Foeniculum vulgare)
Flax-leaved fleabane (Conyza bonariensis)
Fluvellin fluellin
(Kickxia elatine)
French broom
(Genista monspessulana)

G

Garland chrysanthemum (Chrysanthemum coronarium)
Giant reed
(Arundo donax)
Groundsel,
Common (Senecio vulgaris)

H

Harding grass (Phalaris aquatica)
Hair barley
(Hordeum murinum)
Hairy nightshade
(Solanum sarrachoides)
Hedge mustard
(Sisymbrium officianale)
Henbit
(Lamium amplexicaule)
Himalayan blackberry
(Rubus discolor)
Hooker's evening primrose
(Oenothera elata)
Horehound
(Marrubium vulgare)
Horsenettle
(Solanum carolinense)
Hottentot fig
(Carpobrotus edulis)

I

Italian ryegrass (Lolium multiflorum)
Italian thistle
(Carduus pycnocephalus)

J

Jimsonweed (Datura stramonium)
Johnsongrass (Sorghum halepense)
Jungle rice
(Echinochloa colonum)

K

Kikuyugrass (Pennisetum clandestinum)
Knotroot foxtail
(Setaria geniculata)
Kochia
(Kochia scoparia)

L

Lambsquarter, Common (Chenopodium album)
Large Crabgrass
(Digitaria sanguinalis)
Largeseed dodder
(Cuscuta indecora)
Little
mallow (Malva parviflora)
Littleseed canary grass
(Phalaris minor)
London rocket
(Sisymbrium irio)
Longspine sandbur
(Cenchrus longispinus)
Love grass
(Eragrostis pectinacea)

M

Mayweed (Anthemis cotula)
Mexican sprangletop
(Leptochloa uninervia)
Milk thistle
(Silybum marianum)
Mullein, Common
(Verbascum thapsus)
Mustard, Field
(Brassica rapa)

N

Nettleleaf goosefoot (Chenopodium murale)

O

Orchard grass (Dactylis glomerata)
Oriental mustard
(Sisymbrium orientale)
Ornamental onion
(Allium neapolitanum)

P

Pacific poison oak (Toxicodendron diversilobum)
Pampas grass
(Cortaderia jubata)
Panicle willowweed
(Epilobium brachycarpum)
Perennial ryegrass
(Lolium perenne)
Periwinkle
(Vinca major)
Persian speedwell
(Veronica persica)
Petty spurge
(Euphorbia peplus)
Pineappleweed
(Matricaria matricarioides)
Poison hemlock
(Conium maculatum)
Pokeweed, Common
(Phytolacca americana)
Prickly lettuce
(Lactuca serriola)
Prickly sowthistle
(Sonchus asper)
Prostrate knotweed
(Polygonum arenastrum)
Prostrate Spurge
(Chamaesyce maculata)
Puncture Vine (Tribulus terrestris)
Purple nutsedge (Cyperus rotundus)
Purslane, Common (Portulaca oleracea)

Q

Quack grass (Elytrigia repens)

R

Rabbitfoot Polypogon (Polypogon monspeliensis)
Rattail Fescue (Vulpia myuros)
Red brome (Bromus madritensis)
Redroot pigweed (Amaranthus retroflexus)
Red sorrel (Rumex acetosella)
Redstem filaree (Erodium cicutarium)
Red valerian (Centranthus ruber)
Rescuegrass (Bromus catharticus)
Ripgut brome (Bromus diandrus)
Russian knapweed (Acroptilon repens)
Russian thistle (Salsola tragus)

S

Salsify, Common (Tragopogon porrifolius)
Salt cedar
(Tamarix ramosissima)
Scarlet pimpernel
(Anagallis arvensis)
Shepherd's purse
(Capsella bursa-pastoris)
Smilograss
(Piptatherum miliaceum)
Soft chess
(Bromus hordeaceus)
Southern Brassbuttons
(Cotula australis)
Spanish broom
(Spartium junceum)
Spotted catsear
(Hypochaeris radicata)
Sticky Chickweed
(Cerastium glomeratum)
Stink grass (Eragrostis cilianensis)
St. johnswort, Common (Hypericum perforatum)
Swamp Smartweed (Polygonum amphibium)

T

Tall fescue (Festuca arundinacea)
Tocalote (Centaurea melitensis)
Tolguacha (Datura wrightii)
Tree of heaven
(Ailanthus altissima)
Tree tobacco
(Nicotiana glauca)
Tumbling mustard
(Sisymbrium altissimum)
Tumble pigweed
(Amaranthus albus)
Turkey mullein
(Croton setigerus)

V

Veldt grass (Ehrharta calycina)
Velvetgrass
(Holcus lanatus)
Vetch, Common (Vicia sativa)
Virgate Mullein (Verbascum virgatum)

W

Water speedwell (Veronica anagallis-aquatica)
Western ragweed
(Ambrosia psilostachya)
White clover
(Trifolium repens)
Whitestem filaree
(Erodium moschatum)
White sweet clover
(Melilotus albus)
Wild Mustard (Hirschfeldia incana)
Wild Oats
(Avena fatua)
Wild Radish
(Raphanus raphanistrum)
Wild Radish #2
(Raphanus sativus)
Witchgrass (Panicum capillare)

Y

Yellow Foxtail (Setaria pumila)
Yellow Nutsedge (Cyperus rotundus)
Yellow Starthistle (Centaurea solstitialis)
Yellow Sweetclover (Melilotus officinalis)