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Definition of Sphenopsida
1. Noun. Horsetails and related forms.
Generic synonyms: Class
Group relationships: Division Pteridophyta, Pteridophyta
Member holonyms: Equisetales, Order Equisetales
Lexicographical Neighbors of Sphenopsida
Literary usage of Sphenopsida
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"Taxonomically it corresponds rather closely with the Articulate of Lignier and
the sphenopsida of Scott. As known at the present time it consists of two ..."
2. The American Botanist edited by Willard Nelson Clute (1921)
"This fact is just as cogent if we accept Scott's sphenopsida as co-ordinate with
Lycopsida and Pteropsida. The logical separation therefore occurs at this ..."
3. Contributions by Brooklyn Botanic Garden (1917)
"... differ more from the horsetails than do the groups of the Pteropsida among
themselves, Scott proposes three groups: Lycopsida, sphenopsida (horsetails ..."
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