<p><strong>Noun</strong></p><ul><li>Any seedless, nonflowering vascular plant of the class Filicinae, found in tropical to temperate regions.</li><li>Characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a branching vein system.</li><li>Reproduces by spores contained in sporangia that appear as brown dots on the underside of the fronds.</li></ul><p><strong>End of Response</strong></p>