CO₂ exchange and fluorescence yield of the crustose lichen Buellia frigida were measured in situ by means of a CO₂ porometer and a PAM-2000, a newly developed portable fluorescence system. The pulse ...

Dawn Brennan inspects the bark of a tree covered in several different lichens during a Lichen in the Winter World walk held by the Glacier Institute around Apgar in Glacier National Park on Saturday, ...

While the remaining snow and cold nights belie the inevitable arrival of spring, I have seen and heard flocks of geese heading north along the coast. Hordes of robins swept through town the other day.

The new genus Angiactis Aptroot & Sparrius is described, with three species, A. bermudensis LaGreca sp. nov. from Bermuda, A. littoralis (Kantvilas) Aptroot & Sparrius comb. nov. from Australia and A.

Forecasters say its going to be a warm, sunny weekend. And if that gets you outside for a hike, pay a little extra attention to the rocks and tree trunks you pass. You might see a bunch of crusty ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Western Maine Audubon plans to feature Maine lichens in its second of three ...

Fungi, such as mushrooms and molds, cannot manufacture their own food by photosynthesis. Most of them get their carbohydrates by breaking down dead organic matter or by externally parasitizing living ...

'British soldier' lichen growing on rock. (Clay Wollney) For the most part, lichens growing on trees is a good thing, not harmful to the trees. However, weak or dying trees may have a lot of lichens, ...

If you come across a rock in its natural setting, you will likely find it covered by lichens, proof that nature is alive. What are lichens? Lichen is not a single organism, it is made up of two parts: ...