The surface materials of the region are moraines and lacustrine and the soil composition includes forest soils and fine textured soils.
2.
The low mean temperature and high rainfall result in water-logging of fine textured soils, and leaching of nutrients from soils with a coarser texture.
3.
This species is actually especially adapted to coarse textured soils ( such as sandy soils ), fine textured soils ( such as loamy soils ) and medium textured soils ( such as clay-textured soils ) . " R . flagellaris " grows in a wide range of habitats including mesic to dry savannas and sandy savannas, abandoned fields, meadows in wooded areas, and woodland borders.