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Giant sequoia. Silvics of North America (1991), [1] a forest inventory compiled and published by the United States Forest Service, includes many conifers. [a] It superseded Silvics of Forest Trees of the United States (1965), which was the first extensive American tree inventory. [3]
The Red Creek Fir. Canada's national forest inventory includes many native conifer species. [1] [a] All except the larches are evergreens. [3]Most are in the pine family, except for yews (in the yew family) and junipers, Alaska cedars and thuja cedars (in the cypress family).
1964 [50] South Carolina: Sabal palm: Sabal palmetto: 1939 [51] South Dakota: Black Hills spruce: Picea glauca var. densata: 1947 [52] Tennessee: Tulip-tree: Liriodendron tulipifera: 1947 [53] Texas: Pecan: Carya illinoinensis: 1919 [54] United States Virgin Islands: None [55] Utah: Quaking aspen: Populus tremuloides: 2014 [56] Vermont: Sugar ...
The conifers, division Pinophyta, are one of 13 or 14 division level taxa within the Kingdom Plantae.They are cone-bearing seed plants with vascular tissue; all extant conifers are woody plants, the great majority being trees with just a few being shrubs.
Encyclopedia of Conifers. A Comprehensive Guide to Conifer Cultivars and Species is an encyclopedia written by Aris G. Auders and Derek P. Spicer, published in 2012. The two-volume, illustrated encyclopedia is a complete reference book covering all recognised conifer cultivars and species, both hardy and tropical.
"Icicle Tree" showing burling of the trunk. Sequoia is a genus of redwood coniferous trees in the subfamily Sequoioideae of the family Cupressaceae.The only extant species of the genus is Sequoia sempervirens in the Northern California coastal forests ecoregion of Northern California and Southwestern Oregon in the United States.
The Pinaceae (/ p ɪ ˈ n eɪ s iː ˌ iː,-s i ˌ aɪ /), or pine family, are conifer trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, piñons, larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales.
The great majority of conifer genera and species are evergreen, retaining their leaves for several (2–40) years before falling, but unusual deciduous conifers occur in five genera (Larix, Pseudolarix, Glyptostrobus, Metasequoia and Taxodium), shedding their leaves in autumn and leafless through the winter.