“They are low growing, creeping over the mountain soils... Alpine clubmoss, Fir clubmoss and Stag's-horn.” Facebook · Wicklow Mountains National Park

"This species is a vital indicator of mountain health but is currently under threat. In some regions like Maine, it is documented in only a few counties due to its scarce habitat. It is also highly vulnerable to airborne nitrogen pollution from vehicle exhausts, which is devastating populations on mountain summits. Protecting its remaining habitats from heavy hiking use and pollution is critical for its survival."

Diphasiastrum sitchense (Rupr.) Holub - Rare Plants - Maine.gov

Very High. This is not for the casual gardener. It is notoriously difficult to transplant and extremely sensitive to dry soil.