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Dalmatian toadflax (Linaria dalmatica) is a non-native, perennial forb introduced from the <br />Mediterranean region as a folk remedy, fabric dye, and ornamental. It reproduces both by seed <br />and by extensive, creeping rhizomes. A single plant produces 500,000 seeds, most of which fall <br />within 18 inches of the parent plant. Seeds can remain viable for at least 10 years. Dalmatian <br />Toadflax grows to 3 feet, and has bright yellow snapdragon -like flowers with an orange throat on <br />elongated racemes. The alternate leaves are broad, with a thick, waxy cuticle and a bluish cast. <br />Each leaf is heart -shaped and clasps the stem. <br />Yellow toadflax (Linaria vulgaris) is a perennial escaped ornamental plant that is native to the <br />Mediterranean region. The leaves are narrow, linear, and 1 to 2 inches long. The stems are woody <br />at the base and smooth toward the top, sparingly branched, and 1 to 3 feet tall. The showy <br />snapdragon -like flowers are bright yellow with a deep orange center and have a spur as long as <br />the entire flower. It develops an extensive root system, making control difficult. Yellow toadflax <br />displaces desirable plant communities reducing ecological diversity and rangeland value. It <br />decreases forage for domestic livestock, some big game species, and habitat for associated animal <br />communities. The plant is known to be mildly poisonous to cattle. Goats and sheep have been <br />known to graze the plants with little effect. <br />Cresson Project Weed Management Plan 11 <br />