2.1.2.1化石植物群(1)草問(wèn)荊相似種Equisetumcf.pratense木賊科Equisetaceae木賊屬EquisetumLinnaeus1753問(wèn)荊亞屬Equisetum1887草問(wèn)荊相似種Equisetumcf.pratenseEhrhart1784(圖2-5)特征:根狀莖具節(jié)和節(jié)間。節(jié)間長(zhǎng)可達(dá)7厘米,寬6~10毫米。根狀莖表面有6~8條(每一 (共 8000 字) [閱讀本文] >>
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 2.1.2.1化石植物群(1)草問(wèn)荊相似種Equisetumcf.pratense木賊科Equisetaceae木賊屬EquisetumLinnaeus1753問(wèn)荊亞屬Equisetum1887草問(wèn)荊相似種Equisetumcf.pratenseEhrhart1784(圖2-5)特征:根狀莖具節(jié)和節(jié)間。節(jié)間長(zhǎng)可達(dá)7厘米,寬6~10毫米。根狀莖表面有6~8條(每一 (共 8000 字) [閱讀本文] >>