Term: rhyniaceae: primitive plants of the Paleozoic
Broader: fern family: families of ferns and fern allies | Unrelated: foible: the weaker part of a sword's blade from the forte to the tip
Broader: fern family: families of ferns and fern allies | Unrelated: longness: duration as an extension
Broader: fern family: families of ferns and fern allies | Unrelated: bramley's seedling: very large cooking apple
Broader: fern family: families of ferns and fern allies | Unrelated: transducer: an electrical device that converts one form of energy into another
Broader: fern family: families of ferns and fern allies | Unrelated: priacanthidae: small carnivorous percoid fishes found worldwide in tropical seas
Broader: fern family: families of ferns and fern allies | Unrelated: spitfire: a highly emotional and quick-tempered person (especially a girl or woman)
Broader: fern family: families of ferns and fern allies | Unrelated: kniphofia: a plant of the genus Kniphofia having long grasslike leaves and tall scapes of red or yellow drooping flowers
Broader: fern family: families of ferns and fern allies | Unrelated: oreamnos: mountain goats
Broader: fern family: families of ferns and fern allies | Unrelated: m-theory: (particle physics) a theory that involves an eleven-dimensional universe in which the weak and strong forces and gravity are unified and to which all the string theories belong
Broader: fern family: families of ferns and fern allies | Unrelated: honest woman: a wife who has married a man with whom she has been living for some time (especially if she is pregnant at the time)