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<br />-6- Gravelly Foothill 11214 <br />6. Endangered Plants and Animals <br />Gaura neomexicana coloradensis or Colorado butterfly weed has been <br />reported as endangered in Douglas County. However its occurence on <br />this range site has not been proven. <br />(Species names to be added as reliable information becomes <br />available). <br />~'-, _, _ <br />^ , <br />r;.. " <br />'" <br />~?c'=',- <br />ir'y ~ _ <br />~;~~._ , <br />,~.- - -- <br />~=•`.~ <br />~~_.._ <br />~R- <br />:~ _ .. <br />+z; <br />4 ~ ~..,, <br />7. Major Poisonous Plants to Livestock That May Cause Poisoning <br />_. __ Season Animals <br />Common Scientific Name Dangerous Affected <br />Name <br />broom snakeweed Xanthocephalum <br />Poisoning is not common but will occur on overgrazed ranges. Causes <br />abortion in cattle or-may produce weak underweight calves. Losses are <br />sporadic and will occur when 10 to 20 percent of the body weight of green <br />material is consumed in 1/2 to 20 weeks. <br />when forage cattle- <br />is scarce sheep <br />Effect and symptoms <br />Common <br />Name <br />foothills deathcamas <br />Scientific Name <br />Zigadenus paniculatus <br />Season Animals <br />Dangerous Affected <br />spring and usually <br />early summer sheep <br />when fresh but can <br />leaves, stems, affect <br />flowers and cattle & <br />other green horses <br />forage is <br />not available. <br />Most toxic at <br />maturity. <br />Effect and symptoms <br />Poisoning i"s cumulative. 'One-half pound will poison sheep. Symptoms are <br />salivation, nausea, vomiting, lowered temperature, weakness. shown by <br />staggering or complete prostration, rapid breathing, and sometimes coma <br />followed by death. Animals may lie for hours or even days followed by <br /> <br />