Song Yun, the famous border minister, a minister stationed in Tibet in the middle Qing dynasty, has made some great contributions to the border government for the Qing dynasty.

松筠是清代中期著名的边疆大吏、驻藏大臣，他对清王朝的边疆治理做出过较为卓著的贡献。

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Poria, commonly known as Ling Yun, Song Ling, Fu Ling, for the parasitic fungus on the roots of pine trees, shaped like sweet potatoes, skin dark brown, white or pink inside.

茯苓，俗称云苓、松苓、茯灵，为寄生在松树根上的菌类植物，形状像甘薯，外皮黑褐色，里面白色或粉红色。

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