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Texas Arboretum: Oak Wilt

All oaks (Quercus spp.) are susceptible to oak wilt to some degree, but some species are affected more than others. Red oaks, particularly Spanish oak (Q. buckleyi), Texas red oak (Q. texana), Shumard oak (Q. shumardii), and blackjack oak (Q. marilandica), are extremely susceptible and may play a unique role in the establishment of new oak wilt infections. White oaks, including post oak (Q. stellata), bur oak (Q. macrocarpa), Mexican white oak (Q. polymorpha), white shin oak (Q. sinuata var. breviloba), Durand oak (Q. sinuata), Lacey oak (Q. laceyi), and chinkapin oak (Q. muehlenbergii), are resistant to the fungus and rarely die from oak wilt. Live oaks (Q. virginiana and Q. fusiformis) are intermediate in susceptibility to oak wilt, but are most seriously affected due to their tendency to grow from root sprouts and form vast interconnected root systems that allow movement (or spread) of the fungus between adjacent trees.

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scientific namecommon name(s)image gallery
Quercus buckleyiTexas red oak
Buckley oak
Spanish oak
Spotted Oak
Rock Oak
Quercus fusiformisEscarpment live oak
Plateau live oak
Texas live oak
Scrub live oak
Hill country live oak
Plateau oak
Quercus laceyiLacey oak
Texas blue oak
Canyon oak
Smoky oak
Rock oak
Quercus macrocarpaBur oak
Burr oak
Savannah oak
Overcup oak
Prairie oak
Mossy-cup oak
Mossy-overcup oak
Blue oak
Quercus marilandicaBlackjack oak
Barren oak
Black oak
Jack oak
Quercus muehlenbergiiChinkapin oak
Chinquapin oak
Chestnut oak
Yellow chestnut oak
Yellow oak
Rock chestnut oak
Rock oak
Quercus polymorphaMexican White Oak
Monterrey Oak
Netleaf white oak
Quercus shumardiiShumard oak
Shumard's oak
Shumard red oak
Southern red oak
Quercus sinuataBastard oak
Durand oak
Quercus sinuata var. brevilobaWhite shin oak
Bigelow oak
Scaly-bark oak
Limestone Durand oak
Shortlobe oak
Bastard oak
Quercus stellataPost oak
Quercus texanaNuttall Oak
Texas red oak
Texas oak
Spanish oak
Rock oak
Quercus virginianaCoastal live oak
Southern live oak
Live oak
scientific namecommon name(s)image gallery

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