sterileandfertilefrond相关论文
An osmundaceous rhizome with sterile and fertile fronds and in situ spores from the Jurassic of west
保存得很好的 permineralized osmundaceous 蕨纲植物从 Beipiao 的中间的侏罗记 Tiaojishan 形成被发现,辽宁省,中国。根茎在直径是......