重达180吨的蓝鲸？高达115米的巨杉？都不是。世界上最大的生物是一棵美洲山杨（Populus tremuloides）。从表面上看，它是一片占地43.6公顷、由约47,000 ...

Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...

Pando is an ancient quaking aspen tree (Populus tremuloides) with 47,000 genetically identical stems, or tree trunks, connected to a vast underground root system. Each stem is a clone of the one ...