adder's tongue fern

adder's tongue fern defined in 1939 year

adder's tongue fern - Adder's Tongue Fern (Ophioglossum vulgatum);
adder's tongue fern - This British fern lacks the typical frond. Each year a single leaf is produced which is divided into two parts: a smooth, leathery, oval blade, 3 ins. or 4 ins. long, and an erect, unbranched spike bearing a double row of capsules which contain the spores. It is much more plentiful than is commonly supposed, growing inconspicuously among grass in damp pastures.

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near adder's tongue fern in Knolik

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adderstongue spearwort

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