With wispy tufts that drape trees like haunted-house cobwebs, old man’s beard lichen can be an unexpected sight in northern ...

Settle in with columnist Janell Shah as she reflects on October’s calm and the quiet persistence of lichens across the valley ...

1. Stand structure, mean tree age, deadwood amount and microclimate all change markedly in the course of natural forest dynamics. The last remaining primeval forests of the temperate forest biome are ...

All plants and lichens listed as endangered under the Endangered Species Act are sensitive to climate change but there are few plans in place to address this threat directly, according to a new study ...