椤；

1. 樹蕨：而且,我在黏土岩与褐煤中发现的一些花粉粒(pollen grain)和孢子(spore),则来自松类和树蕨(tree fern),这些植物只能生长在山脉的高海拔位置. 巴西相同岩层的岩芯(drill core),提供了从浅红色黏土岩到蓝色和褐色沉积物过渡的唯一完整沉积序列,

2. tree fern在线翻译

2. 椤：tree creeper 旋木雀 | tree fern 椤 | tree frog 树蛙

3. tree fern的翻译

3. 失：tree 乔木 | tree fern 失 | tree height level classification in photo interpretation 像片蔬级判读

4. 菌類 桫欏：菌類 皂草 soapweed | 菌類 桫欏 tree fern | 菌類 蘿蔔 radish

1. any of numerous usually tropical ferns having a thick woody stem or caudex and a crown of large fronds
    found especially in Australia and New Zealand
    chiefly of the families Cyatheaceae and Marattiaceae but some from Polypodiaceae