from the GNU version of the Collaborative International Dictionary of English
- proper n. A natural family of succulent ferns cosmopolitan in distribution.
from The Century Dictionary and Cyclopedia
- A small but very well-defined group of vascular cryptogamous plants, by some systematists regarded as an anomalous section of the ferns, by others considered as a group of equal taxonomic rank with the true Filices, the Equisetaceæ, Lycopodiaceæ, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a family of succulent ferns of order Ophioglossales; cosmopolitan in distribution
Sorry, no etymologies found.
Wagner, W.H. Jr. and Wagner, F.S. (1984). new nothospecies of Moonwort (Ophioglossaceae botrychium).
All seven of the ancient fern families from the world’s existing flora of about 36 families occur in the region (Lycopodiaceae, Selaginellaceae, Ophioglossaceae, Marattiaceae, Osmundaceae, Schizaeaceae, and Gleicheniaceae).