Assertion: fern's structure | /r/CapableOf | produce spore
Facets:
Source sentences:
text: The common name “clubmoss” is based on the premise that at first glance these plants resemble mosses (mosses are bryophytes and thus, non-vascular plants), and because they often have club-like structures that produce spores.
text: the sori (the reproductive structures which produce the spores) are on the underside of the fronds.