Alpine Clubmoss -

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

Needs very specific conditions—well-drained but moist, acidic soil and a cool, humid environment. Conservationist’s Status Report alpine clubmoss

Glacial. It is an extremely slow grower; it can take up to 20 years for a new plant to fully mature from spores. Diphasiastrum sitchense (Rupr