 Drought escape by growing in small crevices or near persistent water supplies , or by staying dormant for about 95 % of the year . Mosses and ferns in the area grow near constant water sources such as natural potholes and seeps from ice caves . <unk> penstemon , <unk> <unk> , and gland cinquefoil grow in shallow crevices . <unk> , bush <unk> , <unk> , and even limber pine grow in large crevices . While dwarf <unk> ( photo ) carry out their entire life cycle during the short wet part of the year and survive in seed form the rest of the time . 
