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Asplenium scolopendrium. "Harts-tongue fern has unusualelongate, untoothed evergreen frondsthat areshaped-as the name suggests-somewhat like deertongues. The blade reaches 20-40 cm in length, tapersto a pointed tip, and is strongly lobed (auricled) at thebase.Sori(spore-bearing organs) appear as linearbrown stripes along the veins on the leaf underside.The fronds, which grow from a scaly rhizome, maynumber over 100 per rootstock in Ontario, but areusually limited to 10-40 on Michigan plants."
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North America
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