Chemical-control

category 3: Category 3 noxious weeds have not been detected in the state or may be found in only small, scattered, localized infestations. Management criteria includes awareness and education, early detection, and immediate action to eradicate infestations. These weeds are known pests in nearby states and are capable of rapid spread and render land unfit for beneficial uses.
(a) yellow starthistle (Centaurea solstitialis)

http://www.atasteofeldorado.com/starthistle.html
http://wric.ucdavis.edu/yst/ref/references.html
http://cecalaveras.ucdavis.edu/starthistle.htm
http://www.nwcb.wa.gov/weed_info/ystarthistle.html
http://wwwagcomm.ads.orst.edu/agcomwebfile/edmat/html/em/em8580/em8580.html
http://www.ext.nodak.edu/extpubs/plantsci/weeds/w1222w.htm
http://www.ipm.ucdavis.edu/PMG/WEEDS/yellow_starthistle.html
http://www.colostate.edu/Dept/CoopExt/Adams/weed/starthistle_id.htm
http://www.twinfallscounty.org/Weeds/yellow_starthistle.htm
http://www.friendsofedgewood.org/newsletters/1999/9906/yellow.htm

(b) common crupina (Crupina vulgaris)

http://www.nwcb.wa.gov/weed_info/crupina.html    Compositae
http://dnr.metrokc.gov/wlr/LANDS/Weeds/crup.htm    King county
http://www.lincolncountymt.us/common_crupina.htm    Lincoln county
http://www.fs.fed.us/r4/sawtooth/botany/weeds/commoncrupina.htm
http://www.mtweed.org/Identification/crupina/crupina.html   Montana Weed Control
http://www.twinfallscounty.org/Weeds/common_crupina.htm
http://www.cassiacounty.org/weed/noxious/common_crupina.htm
http://www.co.gem.id.us/weed/noxious/common_crupina.htm

(c) rush skeletonweed (Chondrilla juncea)

http://w3.uwyo.edu/~caps/rushskeletonweed/rush.htm
http://dnr.metrokc.gov/wlr/lands/weeds/rushskel.htm
http://www.integratedweedcontrol.com/rushskel.htm
http://www.nwcb.wa.gov/weed_info/skeleton.html
http://www.blm.gov/education/weeds/really_wanted/skelltonweed.html
http://www.invasive.org/browse/subject.cfm?sub=4404
http://www.weedsbc.ca/weed_desc/rush.html
http://www.mslacountyweed.org/pages/CHJU.html
http://www.malheurco.org/CountyDep/weeds/rushskeletonweed.html
http://www.fs.fed.us/ipnf/eco/yourforest/noxiousweeds/rushskeletonweed.html

(d) Eurasian watermilfoil (Myriophyllum spicatum)

http://www.glhabitat.org/nuisance1.html    Great Lakes
http://www.fw.umn.edu/research/milfoil/milfoilbc.html    Biological control
http://www.dnr.state.mn.us/exotics/aquaticplants/milfoil/index.html DNR
http://www.deq.state.id.us/assistance/students_MilfoilMussels2.htm
http://www.great-lakes.net/envt/flora-fauna/invasive/milfoil.html
http://www.rpi.edu/dept/DFWI/dfwiwq/eurasion_milfoil.html
http://www.keystonehatcheries.com/?id=144    Home page
http://www.knottybits.com/jfgenus/Jfgen79.htm

(e) yellow flag iris (Iris pseudacorus)

http://www.lookoutnow.com/animal/iris_1.htm
http://aquat1.ifas.ufl.edu/seagrant/iripse2.html
http://plantsdatabase.com/go/666/
http://nas.er.usgs.gov/plants/docs/ir_pseud.html
http://www.geocities.com/RainForest/Vines/7025/yellow_flag_iris.html
http://www.fishing-in-wales.com/wildlife/plants/summer/flag.htm
http://www.acclaimimages.com/_gallery/_pages/0028-0401-2417-1307.html
http://www.centralpark2000.com/database_flowers/iris_yflag.htm