Unlike the other Cystopteris, this is a creeping plant of the forest floor rather
than a compact plant of exposed rock. It's often quite abundant in bottomlands, and has a
growth cycle like that of spring ephemerals; it leaves out and spores in early spring and
then slowly declines through the summer.
A leaf near Griffy Lake, 7/19/03.
Sori near Griffy Lake, 7/19/03.
The tip of an expanding leaf below the dam at University Lake, 3/27/04.
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