Mistletoe By Paige Heilman Common Information 1300 species

Mistletoe By Paige Heilman

Common Information 1300 species The Dwarf Mistletoe (Arceuthobium pusillum) The American Mistletoe Hemi-parasites Yellowish, white “Dung on a twig”

Life Cycle

Symptoms Branch swelling Upper tree leaf loss Witch’s brooms

Effects Top kill of trees Stunt in growth Death of trees Distortions of limbs

Prevention Pruning and removing trees Ethephon Clear cut

Ponderosa Pine Dwarf Mistletoe Arceuthobium camylopodum Ponderosa pines and Lodgepole pines Shoot height 3 -8 cm Western Region Fan-like branches

Lodgepole Pine Dwarf Mistletoe Arceuthobium americanum Lodgepole pine, ponderosa pine, whitebark pine Whorl-like branching Shoot height 5 -9 cm Montana, Colorado, and Wyoming

Douglas Fir Dwarf Mistletoe Arceuthobium douglasii Douglas fir and Douglas white fir Shoot height 2 cm Fan-like branching Western region

Limber Pine Dwarf Mistletoe Arceuthobium cyanocarpum Limber pine, lodgepole pine, ponderosa pine, southwestern white pine Shoot height 3 cm Western except Washington Fan-like branching

Hemlock dwarf mistletoe Arceuthobium tsugense Western hemlock Oregon, Washington, and north Californina Fan-like branching Shoot height 3 cm

Works Cited Puckett, Catherine. "Not Just for Kissing: Mistletoe and Birds, Bees, and Other Beasts. " U. S. Geological Survey. USGS. October, 2 2009. Web. 26 Nov 2012. <http: //www. usgs. gov/newsroom/special/mistletoe/defa ult. asp> Hennon, Paul. "Hemlock Dwarf Mistletoe. " U. S Forest Service. U. S. Department of Agriculture, n. d. Web. 26 Nov 2012. <http: //www. fs. usda. gov/detail/r 10/communityforests/? cid=fsbdev 2_038350>

Works Cited Continued Koski, R. D. "Mistletoes in Colorado Conifers. " Colorado State University Extension. N. p. , 3 2012. Web. 26 Nov 2012. <http: //www. ext. colostate. edu/pubs/garden/02925. html>.