Browse 1,400+ aspen tree background stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. birch tree forest, vector ...

Browse 530+ aspen tree silhouette stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Vector Illustration of Birch ...

On this web page, we focus on aspen, which is currently in greater commercial demand than birch. Favorable soils and sites Aspen will grow on a great variety of soils, but the fastest-growing, ...

In March 1997, five clones of trembling aspen were propagated as rooted greenwood cuttings (Karnosky et al. 1996) from selected stock plants, and birch and maple seedlings were propagated from ...