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w <br />1 <br />.d•1. <br /> <br />-5- ~ #204 Shallow Foothikl MLRA 49 <br />5. Threatened and Endangered Plants and Animals .. <br />6 <br />Common <br />Name <br />Laura neomexicana coloradoensis or Colorado butterfly eed has been <br />reported as endangered in Boulder, lbuglas, Jefferson, Larimet, and <br />weld counties. However, its occurrence on this range ire has not <br />been proven. <br />The buffalo (bison) are gone, except for a few commerc <br />The black-footed ferret may have been associated with <br />adjacent sites. <br />Plants That May Cause Poisoning To Livestock <br />Geyer larkspur <br />Nuttall Larkspur <br />Effect and symptoms <br />Scientific Name <br />Delphinium geyeri <br />Delphinium nuttalZianum <br />Season <br />Dangerous <br />Spring and <br />early sum <br />when other <br />green forag <br />is not <br />available <br />herds. <br />is site or <br />Animals <br />Affected <br />Cattle are <br />most sus- <br />ceptible; <br />horses and <br />sheep are <br />occasionally <br />affected <br />Poisoning is cumulative. Symptoms include loss of appetite, gen rat <br />uneasiness, excessive salivation, frequent swallowing, twitching muscles, <br />rapid irregular heart beat, respiratory paralysis, and staggeri gait. <br />advanced cases the animal falls and Lies with feet extended more or less <br />rigidly. Poisoned animals are constipated and severe cases are au seated <br />and some are also bloated. <br />Common <br />Name <br />common chokecherry <br />Scientific Name <br />Prunus virginiana <br />In <br />Season Animals <br />Dangerous Affected <br />spring <br />and early <br />summer <br />when leavc <br />contain a <br />large <br />amount of <br />toxin du r- <br />ing perio~ <br />of short <br />forage, <br />freezing <br />weather <br />sheep- <br />cattle <br />