Rebecca Norman wrote:What does your lichen growth formula consist of? I'd love to do this. I've heard of putting yogurt, water and lichen in the blender and painting onto rocks, but I'd rather know what you did that actually worked.
Anne Christgau wrote:Hello from across the pond,
At our local park in South East London lichen can be seen growing on the tarmac paths
At first I thought I was looking at gobs of chewing gum, on closer inspection lo and
William Bagwell wrote:For what its worth, lichens can live on iron.