Term: polypodium: a genus of ferns belonging to the family Polypodiaceae and having rounded naked sori
Broader: fern genus: genera of ferns and fern allies | Unrelated: lens: a transparent optical device used to converge or diverge transmitted light and to form images
Broader: fern genus: genera of ferns and fern allies | Unrelated: cession: the act of ceding
Broader: fern genus: genera of ferns and fern allies | Unrelated: concatenation: the act of linking together as in a series or chain
Broader: fern genus: genera of ferns and fern allies | Unrelated: agribusiness: a large-scale farming enterprise
Broader: fern genus: genera of ferns and fern allies | Unrelated: progressive: a tense of verbs used in describing action that is on-going
Broader: fern genus: genera of ferns and fern allies | Unrelated: jewish calendar: (Judaism) the calendar used by the Jews; dates from 3761 BC (the assumed date of the Creation of the world); a lunar year of 354 days is adjusted to the solar year by periodic leap years
Broader: fern genus: genera of ferns and fern allies | Unrelated: monazite: a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
Broader: fern genus: genera of ferns and fern allies | Unrelated: total eclipse: an eclipse as seen from a place where the eclipsed body is completely obscured
Broader: fern genus: genera of ferns and fern allies | Unrelated: sperm: the male reproductive cell; the male gamete
Broader: fern genus: genera of ferns and fern allies | Unrelated: pyrites: any of various metallic-looking sulfides (of which pyrite is the commonest)