KUNMING -- A research team has discovered a new lichen genus on the Qinghai-Tibet Plateau, which is known as the "roof of the world." The genus has been named Pseudosolorina. The team's findings ...

Wet & Forget Mould, Lichen & Algae Remover ... is that the pressure from the jet does work tiny little pits into the stone, so that, over time, slabs become more porous and more susceptible ...

stone and tree bark. You probably have some growing on your house walls, looking rather like bird poo. But as there are believed to be some 1,800 varieties of lichen growing in the UK they also ...

Lichens are nearly everywhere — odd growths that appear as crusty patches and splotches on tree trunks, limbs, rocks, bare soil, stone walls ... more than 900 known lichen species in Georgia.