Dead plants cannot rot properly in the waterlogged soil.
The flies give it nutrients which it cannot get from the waterlogged soil.
It is most commonly found growing in seasonally waterlogged soils.
The route, often subject to flooding from the waterlogged soil which it travelled over, was gradually improved, especially during the 1830s.
The tree fern will suffer if left to stand in waterlogged soil.
The roots spread out widely to provide stability in the waterlogged soil.
However, in some localities, such as below the water table and in waterlogged soils, reducing conditions can prevail.
Then there is the waterlogged soil itself.
To compound this, many tree species had shallow root systems that did not extend past the waterlogged soil.
It prefers damp but not waterlogged soil, and is often found at the head of small streams.