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NOT KNOWN TO OCCUR IN OREGON PLEASE CALL 1-866-INVADER IF YOU SUSPECT YOU HAVE FOUND THIS SPECIES ODA rating: A Click on image to view larger photo. | | Images courtesy of California Dept. of Food and Agriculture | | If images are downloaded and used from the ODA web site please be sure to credit the photographer. Description Winter annual; flowers May to July. Grows 10 inches tall. Similar to barbed and jointed goatgrass except spikes are ovate-cylindric, disperse as units at maturity and do not break apart into joints Impacts Goatgrasses are rangeland and dryland crop invaders. This species, aside from invading dryland pastures in California, readily crosses with wheat producing sterile seed and unmarketable wheat. Introduction Introduced from the Meditteranean Europe and western Asia. Can be found in Californmia. Not yet reported in Oregon but livestock and equipment movement can facilitate invasion. Distribution in Oregon Not known to occur in Oregon at this time. Biological controls Biological control agents are not used on "A" listed weeds in Oregon. If this weed is found in the state it will be managed for eradication or containment.
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