- weblogin idpz | University of Toronto
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- 栎属 - 维基百科，自由的百科全书
栎属 （學名： Quercus），是 壳斗科 的一个 属，俗名 橡树 、 櫟樹 、 柞树。 栎属有600个种，其中450种来自 栎亚属，150種则來自 青剛櫟亞屬。
- 橡树（壳斗科栎属植物）_百度百科
橡树（Quercus palustris Münchh ），又称栎树或柞树。 壳斗科植物的泛称，包括栎属、青冈属及柯属的种，通常指栎属植物，非特指某一树种。
- Quercus - North Carolina Extension Gardener Plant Toolbox
The genus name, Quercus, is from the Classical Greek name for oak trees The alternate, simple leaves vary greatly in shape depending on the species and margins can be lobed, toothed or smooth Some trees display colorful leaves in the fall and many hold onto their leaves into winter
- 栎属 Quercus|iPlant 植物智——植物物种信息系统
6 栎属 Quercus L Linn Sp Pl 1: 994 1753; et Gen Pl ed 5: 431 1754 常绿、落叶乔木，稀灌木。 冬芽具数枚芽鳞，覆瓦状排列。 叶螺旋状互生；托叶常早落。
- Quercus spp english - US Forest Service Research and Development
Quercus falcata-American red oak, bottomland red oak, cherrybark oak, Elliott oak, red oak, Spanish oak, southern red oak, swamp red oak, swamp spanish oak, turkeyfoot oak, water oak
- Quercus - FNA
Quercus is without doubt one of the most important woody genera of the Northern Hemisphere Historically, oaks have been an important source of fuel, fodder, and building materials throughout their range
- List of Quercus species - Wikipedia
The genus Quercus contains about 500 known species, plus about 180 hybrids between them [1] The genus, as is the case with many large genera, is divided into subgenera and sections
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