Two temperate foliose lichen species, Parmelia sulcata and Physcia adscendens, were grown outdoors on plastic cover slips to characterize development and study the environmental conditions suitable ...

The assemblage of filamentous fungi obtained from two foliose lichens, Parmelia taractica and Peltigera praetextata, collected at the same site in a coniferous forest (Aosta Valley, Italy), was ...

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.

'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, ...

Some folks think lichen is a bad thing for their trees. These folks can be seen standing out in the hot sun picking little clumps of gray-green tufts off their tree trunks like a woodpecker hunting ...

65 million years ago, a meteor catastrophically changed our planet’s biodiversity. All non-avian dinosaurs went extinct. By some estimates, 15,000 teragrams (that’s equal to the mass of 10 million ...

Lichens indicate air quality More than 14,000 species grow worldwide, from Arctic rocks to rainforest trees In a drought, lichens can go dormant The woods seem to be withholding spring, reducing the ...

Answer: That orange growth is lichen, not a rust pathogen. Lichen do not harm the tree or shrub in any way. They tend to grow only on that outer bark and stay there, not growing deeper into live ...