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04 Loamy Plains MLRA 49 b 70 <br />4. Recreation and Natural Beauty <br />~- This site has fair to poor aesthetic appeal and natural beauty. <br />During exceptional rainfall years, a profusion of flowering plants <br />appear. <br />5. Threatened and Endangered Plants and Animals <br />Blackfooted Ferret <br />Peregrine Falcon <br />6. Mayor Poisonous Plante to Livestock <br />Common Name <br />Scientific Name <br />Dangerous Animals <br />Season Affected <br />threadleaf groundsel <br />Effect Upon Animals <br />Senecio longilobus <br />early spring cattle 5 <br />when forage horses. <br />is short Normally <br />or on over- will not <br />grazed ranges. affect <br />sheep. <br />Symptoms are progressive and effects are cumulative.3/ Losses <br />are sporadic. Degeneration of the liver results. Depression, <br />weakness, diarrhea, darkly stained urine may be observed. Animals <br />may die quickly or wander aimlessly. ' <br />Dangerous Animals <br />Common Name Scientific Name Season Affected <br />broom snakeweed Xanthocephalum when forage cattle 6 <br />sarothrae is scarce sheep <br />Effect Upon Animals <br />Poisoining is not common but will occur on overgrazed ranges. <br />Causes abortion in cattle or may produce weak underweight calves. <br />Losses are sporadic and will occur when 10 to 20 percent of the body <br />weight of green material is consumed in 1/2 to 20 weeks. <br />Other plants that may cause poisoning but are not usually eaten are <br />silky sophora which the seeds contain poisonous alkaloids and <br />matrimonyvine which contains an alkaloid like hyossyamine. <br />3/ "Cumulative" poisoning effect increases in severity by successive <br />additions of the poisonous plant. Symptoms appear weeks or months after <br />' poisonous plants are first eaten. <br />-5- <br />