The “Let’s Talk About Parks” series is designed to encourage exploration and discovery of Pittsburgh’s urban parks.
Did you know that one of the oldest and simplest plants on Earth are mosses, those fuzzy green patches that you see covering stones, old logs and damp ground in areas that are shaded and cool?
Mosses evolved 500 million years ago and were some of the first land plants. Mosses are photosynthetic, which means they produce their own food from sunlight, water and carbon dioxide, without needing roots. Instead, they absorb water and nutrients through the walls of their tiny leaves, some of which can be as thin as one cell in thickness. Read Full Article