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Title
Coiled bracken fern frond, brake fern or eagle fern, Pteridium aquilinum, unfurling in spring, closeup #206152478
Description
Bracken, brake or eagle fern, Pteridium aquilinum, is one of the oldest ferns. It is an herbaceous, perennial plant that is very prolific and abundant, which could be threat to biodiversity. It spreads from spores found on the underside of the leaf in structures called sori.