Pellaea atropurpurea is a fern species native to North America. It is commonly known as Purple-stemmed cliff-brake or Purple cliff-brake. There are several synonyms for the word "Pellaea atropurpurea" that are used interchangeably, including Hemionitis atropurpurea, Cryptogramma atropurpurea, Notholaena atropurpurea, and Cheilanthes atropurpurea. These synonyms are useful for scientific research and classification purposes. The Purple-stemmed cliff-brake is a popular ornamental plant in rock gardens and grows well in dry, rocky soils. Its unique purple stems and green fronds add color and texture to gardens and are easy to care for, making it a favorite among gardeners.