Does radioactivity affect trees growing in the area?

27 Years Later, Radiation Still Hides Out in Chernobyl’s Trees (Fukushima’s Too) Birds around Chernobyl have significantly smaller brains that those living in non-radiation poisoned areas; trees there grow slower; and fewer spiders and insects—including bees, butterflies and grasshoppers—live there. read more

This is the tendency of these fungi to move from less contaminated areas of the plant, to more contaminated areas. In a tree, if the fungi start eating in the inmost hardwood area (with the least contamination), they will grow towards the bark on the outside, destroying the tree from the inside out. read more