class Sphenopsida
classsp·he·nop·sida
noun
1.
horsetails and related forms
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Part of
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
classsp·he·nop·sida
horsetails and related forms
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.