Q. An example of a vascular cryptogam is

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Solution:

Equisetum is a vascular cryptogam. Equisetum is the only living genus in the Equisetaceae, a family of vascular plants that reproduce by spores rather than seeds. They are commonly known as horse tails. Equisetum is a "living fossil", as it is the only known genus of the entire class Equisetopsida.