Black cottonwood phenology observation 2025-10-14
收藏Budburst2026-09-02 收录
数据链接：
官方服务：
资源简介：
At one time considered by botanists to be a subspecies of P. balsamifera, this closely related species differs in having a 3-valved fruit capsule covered in short hairs (balsam poplar has a 2-valved capsule with no hairs).
提供机构：
Budburst user创建时间：
2025-10-14
