-
nounprimitive plants of the Paleozoic
Similar:
type of:
Definition that contains rhyniaceae
- rhynia type genus of the Rhyniaceae; small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes
- genus rhynia type genus of the Rhyniaceae; small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes