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松—栎林型主要分布在美国东部和南部山地地区。从纽约州南部和新泽西到宾西法尼亚州、俄亥俄州南部、肯塔基州、伊里诺易斯州西南部和密苏里州南部,南面通过阿肯色州到俄克拉何马州东部,东南到弗罗里达州北部,北面通过大西洋沿岸到特拉华州。面积约3500万英亩。组成松—栎林型的各松、栎树种都能适应立地和土壤条件的巨大变化。从阿帕拉契亚和奥扎克山区的干燥裸岩山脊及陡坡到皮埃蒙特或大西洋和墨西哥湾沿岸平原区的缓坡及平坦
Pinus - Quercus forest type is mainly distributed in the eastern and southern mountains of the United States. From southern New York to New Jersey to Pennsylvania, southern Ohio, Kentucky, southwestern Illinois and southern Missouri, south through the state of Arkansas to eastern Oklahoma, southeast to Florida North, north through the Atlantic coast to Delaware. An area of about 35 million acres. The pine and oak species composing pine-oak forest can adapt to the huge changes of site and soil conditions. Rough slopes and flat slopes from dry, undulating rock ridges and steep slopes of the Appalachian and Ozark mountains to Piedmont or the plains of the Atlantic and Gulf Coast