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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a group of plants that do not produce flowers. The Cryptogamae include ferns, horsetails, club mosses, sela-ginellas, isoetes, mosses, and Psilotaceae and close allies. C. Linnaeus proposed the term; he called flowering plants Phanerogamia.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.