|sensitive fern (Onoclea sensibilis)||
sensitive fern (Onoclea sensibilis; FERN FAMILY [Dryopteridaceae]) Long coarse triangular sterile fronds lobed at the tips and divided into pinnules at the base. Has separate fertile fronds with sporangia enclosed in bead-like modified pinnae. Found on wet sites from open to shady. Very susceptible to frost, and quick to wilt if picked. 
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