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• Meadow hawkweed (Hieracium caespitosum) State info <br /> • Onionweed(Asphodelusfistulosus) State info <br /> • Purple pampasgrass(Cortideria jubata) State info <br /> • Scotch broom(Cytisus scoparius) State info <br /> • Sericea lespedeze(Leppedeza cuneata) State info <br /> • Swainsonpea(Sphaerophysa salsula) State info <br /> • Syrian beancaper(Ztigophyllum fabago) State info <br /> • Water hyacinth (Eichhomia crassipes) State info <br /> • Water lettuce(Pistia stratiotes) State info <br /> • White bryony(Bryonia alba) State info <br /> • Woolly distaff thistle(Carthamats lanatus) State info <br /> • Yellow flag iris(Iris pseudaconis) State info <br /> • Yellow floating heart(Nymphoides peltata) State info <br /> • Yellowtuft (Alyssum murale) State info <br /> 1 Top <br /> Frequently Asked About Pasture Plants <br /> The following is a list of plants that the Weed District is asked about quite often for management recommendations or other <br /> advice.Some of the plants listed here are native and some are not.The information that follows each is based on our experience <br /> thus far,however;through collaborative research efforts and education,we hope to provide more information on each in the <br /> future. <br /> Black medic(Medicago lupidina)—Black medic is a non-native member of the legume family with an annual or short-lived <br /> perennial life cycle.The plants are very low-growing with small yellow flowers.In areas where control is desired black medic can <br /> be controlled by Garlon,Milestone,Quicksilver,Transline,or Vista. <br /> Broadleaf cattail(Ttipha latifolia)—Broadleaf cattail is a native perennial herb that thrives in marshy areas throughout <br /> Larimer County.Cattails reproduce by seed and rhizomes,and grow to 10 feet tall.Cattails can present a problem along ditches <br /> and roadsides.Selective control can provided by applications of Clearcast.Non-selective herbicides that provide control are <br /> Rodeo and Habitat. <br /> Common cocklebur(Xanthium strumarium)—Common cocklebur is an annual of the sunflower family and native to the <br /> United States.Cocklebur grows to 4 feet tall,and by late summer produces spiny burs that can be a nuisance to livestock,pets and <br /> hikers.Cocklebur is a problem in farmland,run-down pastures,ditchbanks and abandoned fields.The most effective herbicides <br /> for control are Curtail,Milestone,Redeem,or dicamba+2,4-D-product names Outlaw,Rangestar,Veteran 720,Weedmaster and <br /> others. <br /> Dandelion (Taraxacum officinale)—Dandelion is a non-native perennial plant of the sunflower family.Dandelions produce a <br /> bright yellow flower that matures into a cottony seedhead that disperses windborne seed.Reproduction also occurs by way of <br /> shoots sprouting from the root crown.Dandelions are not typically considered a weed problem outside of turf areas,but can <br /> become a dominant plant in run-down pastures.Though palatable to livestock,dense infestations inhibit the growth of perennial <br /> grasses and other desirable species.Control of dandelions in range and pasture is best achieved by establishment of competitive <br /> grasses and applications of Curtail,Escort,Milestone,Redeem,Telar,Transline,Vista,or dicamba+2,4-D pre-mixes of Outlaw, <br /> Rangestar,Veteran 720,Weedmaster,and others. <br /> Foxtail barley(Hordeum juhatum)—Foxtail barley is a native perennial grass that reproduces by seed.Plants grow 1-2 feet tall <br /> and produce 2 inch long awns at maturity.Foxtail barley is tolerant of alkaline soils,and is an indicator plant of wet,poorly <br />