England english forest Great Britain moss natural nature spring sunlight Sussex trees trunks wood woodland close-up color colour conglomerate granite gray green grey growth life macro moss-covered plants rock rocks rough solid sprouting surface texture textures autumn basidiom basidiomycete brown cap country countryside damp decay edible fairy food fungus gill hallucinogenic ingredient landscape magic mushroom narcotic organism outdoors plant poison poisonous rot rotting saprophyte spore spores sporing stalk Stump substance toadstool toxic tree vegetable wild woods yellow