Dryopteris oreades is a species of fern found in temperate regions around the world. It is commonly known as the mountain wood fern or the alpine wood fern. Other synonyms for this fern include Dryopteris carthusiana, Polypodium oreades, Dryopteris campyloptera, and Nephrodium cristatum. The plant has beautiful, delicate fronds that grow up to 30 inches in length and are dark green in color. The fern prefers moist, shaded areas and is often found growing in rocky crevices or in forests. It is a popular choice for landscaping and gardening due to its attractive foliage, ease of care, and hardiness.