Christmas tree pests and weeds The pathogen often makes Douglas fir trees unsalable as Christmas trees and affects the Christmas tree farming industry. Douglas firs are also affected by "Phaeocryptopus gaumanni" which causes Swiss needlecast. Red band needle blight is a fungal disease which affects coniferous trees, particularly pine, with a worldwide distribution. The disease is caused by the fungi "Dothistroma septosporum". Since the late 1990s its appearance in the United Kingdom has increased, among the most affected species is Corsican pine and the disease has been a significant problem in Thetford Forest. Though the disease spread rapidly during September 2007 Christmas tree growers remained
General Noble (tree) Sequoia ("Sequoiadendron giganteum"), the General Noble Tree was perhaps among the top 30 largest Giant Sequoias by volume before it was cut down. The remains of the General Noble Tree are known as the Chicago Stump, which can be seen in the Converse Basin Grove. General Noble (tree) The General Noble Tree was a Giant Sequoia tree formerly within the Converse Basin Grove, with its site located in Giant Sequoia National Monument of the Sierra Nevada, in Fresno County, California. The General Noble Tree was cut down in 1892 to create an exhibit for the 1893 World's Columbian Exposition held