选择题：某校建立了“野菜文化资源库”用于初中生物教学．以下资源可用于说明生物多样性具有潜在价值的是（）。

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某校建立了“野菜文化资源库”用于初中生物教学．以下资源可用于说明生物多样性具有潜在价值的是（）。
A.不同野菜的采摘时令不一样。如：三月三采荠菜
B.诗词歌赋中对野菜的描述，如：呦呦鹿鸣，食野之蒿
C.野菜属于不同的生物类群，如：蕨菜属于蕨类植物，地皮菜是真菌和藻类的结合体
D.屠呦呦从当地野菜黄花蒿茎叶中提取青蒿素，而该地区生长着大量不为人知的生物体系

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