any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores

a vine or climbing plant that readily grows up a support or over other plants

chiefly tropical climbing ferns

delicate fern of the eastern United States having a twining stem and palmately-lobed sterile fronds and forked fertile fronds

tropical fern widespread in Old World; naturalized in Jamaica and Florida

chiefly tropical climbing ferns