Lichens

Lichens – Litmus for Air Quality

By Gary February 5, 2016 Leave a comment

Each spring, the parula warbler constructs nests made of bearded lichen in the mature forests of northern U.S. and southern Canada. This lichen is so important to the nesting success of this bird that when the lichen disappeared because of air pollution in the mid 1900’s, it stressed the populations of this tree top warbler. […]

Lichens – The First Pioneers

By Gary February 2, 2016 1 Comment

One of the most active volcanoes of the world, the Kilauea volcano in Hawaii frequently erupts  with lava flows to the ocean. The lava hardens into new land where forces began to break down the igneous rock into a hospitable place for plants to grow. In addition to the physical forces of weathering, lichens contribute […]

Fifty Shades of Green

By Gary January 29, 2016 Leave a comment

The winter woodlands is a dismal place with lifeless trees and shrubs, dried dead flowers and grasses and exposed decaying leaf litter and twigs. If you look beyond this bleak landscape, you will discover an intriguing world of plant-like organisms called lichens inhabiting the nooks and crannies of tree bark, fallen branches and boulders. Although […]