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Bur Oak (Quercus spp.) ... Bur Oak, A Top 100 Common Tree in North America ... Identify Bur Oak...
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forestry.about.com/od/thecompletetree/ig/Tree-Leaf-Silh...
forestry.about.com/od/thecompletetree/ig/Tree-Leaf-Silhouette-/Silhouettes-Bur-Oak-Leaf.htm
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ODNR Division of Forestry Bur Oak ... Bur Oak, a massive and majestic Oak, is found in all of Ohio except for the southeastern portion of the state, although it is most frequent in the western half of the state. ... Bur Oak has large, bold-textured, leathery leaves that are alternate, obovate, and usually dark green.
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www.dnr.state.oh.us/Home/trees/oak_bur/tabid/5390/Defau...
www.dnr.state.oh.us/Home/trees/oak_bur/tabid/5390/Default.aspx
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Quercus macrocarpa - Wikipedia, the free encyclopedia
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The Quercus macrocarpa or Bur Oak , sometimes spelled Burr Oak ', is a species of oak in the white oak section Quercus sect. Quercus , native to North America in the eastern and midwes...
en.wikipedia.org/wiki/Quercus_macrocarpa
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Bur Oak is also called; Mossycup Oak. Once established trees grow one to two feet per year on favorable sites. The largest tree in North; Dakota is 85 feet tall with a canopy spread of 61 feet. Leaves and Buds;
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www.ag.ndsu.edu/trees/handbook/th-3-129.pdf
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Leaves are not retained year to year. The Bur Oak has a long life span relative to most other plant species and a slow growth rate. At maturity, the typical Bur Oak will reach up to 100 feet high, with a maximum height at 20 years of 25 feet.
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www.gardenguides.com/taxonomy/bur-oak-quercus-macrocarp...
www.gardenguides.com/taxonomy/bur-oak-quercus-macrocarpa/
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Attacks from bur oak kermes (Kermes pubescens) may distort leaves and kill twigs of bur oak. Oak wilt (Ceratocystis fagacearum) is a less serious problem in ...
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www.na.fs.fed.us/pubs/silvics_manual/volume_2/quercus/m...
www.na.fs.fed.us/pubs/silvics_manual/volume_2/quercus/macrocarpa.htm
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Bur Oak Leaves Quercus macrocarpa Michx. ... leaves wider at the top, course and rounded lobes, pair of deep sinuses just past midway, sometimes has 5-7 lobes, tips are rounded, top surface dark green and smooth or somewhat fuzzy, lighter and somewhat fuzzy on the ventral surface, blades grow to 14 inches in length and...
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www.cumberland.k12.il.us/schools/chs/Starwalt%20Project...
www.cumberland.k12.il.us/schools/chs/Starwalt%20Projects/Ecology%20web%20pages/bur_oak_leaves.htm
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Bur Oak: Leaves are alternate and simple, 6 to 12 inches long, with many lobes. The two middle sinuses always nearly reach the midrib of the leaf. Acorns are large (1 1/2 inches long) and 1/2 enclosed in a warty cap that has a long-fringed margin.
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www.thejump.net/hunting/plant-id/bur-oak.htm
www.thejump.net/hunting/plant-id/bur-oak.htm
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The white oak group, with rounded lobes on their leaves, includes bur oak, white oak and swamp white oak.
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www.extension.umn.edu/distribution/naturalresources/com...
www.extension.umn.edu/distribution/naturalresources/components/3474-12.html
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