Horsetails are included in class of____________?
Correct answer: A. Sphenopeida
- A. Sphenopeida
- B. Lycopsida
- C. Psilopsida
- D. Pteropsida
Explanation
Horsetails such as Equisetum are placed in Sphenopsida, also spelled Sphenopsida in many older classifications. The likely alternative is b, Lycopsida, because both are seedless vascular plants, but Lycopsida includes lycophytes rather than horsetails.
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