This was outside The Chapel By The Lake, on the way to the Mendenhall Glacier.
After the glaciers retreat, lichen are the first to colonize the bare rocks. Then mosses, followed by nitrogen fixing plants. After that, grasses and flowers.
What the temperate rainforest lacks in biodiversity, it makes up for in biomass.
A moraine is a depression in the earth (or rock, in this case) created by boulders of glacier left behind in the glacial retreat. The depressions fill with water. Southeast Wisconsin is filled with moraines.