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northern adder's-tongue
Ophioglossum pusillum
Ophioglossum pusillum is a species of fern in the family Ophioglossaceae known by the common name northern adder's tongue.
It is native to northern North America, where it is widespread in moist areas such as marshes, fens, and meadows. It is found from northern California through Alaska on the west, and from central Appalachia through the northern Great Plains and the Great Lakes regions, across the Northeastern United States and Eastern Canada.
From the article Ophioglossum pusillum on Wikipedia (CC BY-SA), quoted section by section
Description
Ophioglossum pusillum is a small, inconspicuous, fleshy perennial plant growing from a caudex no more than 3 centimeters (1.2 in) wide. It produces one leaf per year. The leaf is divided into a thin, pale green blade-shaped part, which is sterile, and a fertile stalk lined with two rows of sporangia.
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Ophioglossum pusillum in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 59889.