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Dryopteris atrata produces densely coiled crosiers, smothered in black hairs, which unfurl to reveal arching, vivid green fronds with black, scaly stems. This rather large fern forms a vigorous mound that makes a superb structural plant which will brighten up a dark corner. Dryopteris atrata is a semi-evergreen fern that is ideal for a woodland border or patio pot in a shady spot. Height and spread: 60-80cm (24-80in).