Asplenium sanshuiense sp. nov.： the Lowest Latitude Fossil Record of the Genus

Extant Asplenium is one of the most widespread fern groups and occurs in the temperate and tropical regions. However, the fossil records of this genus are poorly documented, especially in the low latitudes. Here, a new species, Asplenium sanshuiense sp. nov. is described from the early Eocene of San...

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