Definitions
from The Century Dictionary.
- A division of the vegetable kingdom including the ferns and their allies; the vascular cryptogams. See
Cryptogamia , and compareBryophyta .
from the GNU version of the Collaborative International Dictionary of English.
- noun plural (Bot.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under
cryptogamia .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
Etymologies
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Examples
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He was a leading authority on the pteridophyta, and collected a large and choice herbarium of the native ferns, which he donated to the Massachusetts Horticultural
The Fern Lover's Companion A Guide for the Northeastern States and Canada George Henry Tilton
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Has specialized in scientific work on the pteridophyta, distinguishing himself by the excellence as well as by the large number of his publications, the more important being "Studies of
The Fern Lover's Companion A Guide for the Northeastern States and Canada George Henry Tilton
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