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Bibliography

See G. M. Smith, Cryptogamic Botany, Vol. II (2d ed. 1955); B. Cobb, A Field Guide to the Ferns (1956); F. S. Shuttleworth and H. S. Zim, Non-flowering Plants (1967); F. E. Round, Introduction to the Lower Plants (1969); D. L. Jones Encyclopedia of Ferns (1987).

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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