English noun: class Sphenopsida | |||
1. | class Sphenopsida (plant) horsetails and related forms | ||
Synonyms | class Equisetatae, Equisetatae, Sphenopsida | ||
Broader (hypernym) | class | ||
Member holonym | Equisetales, order Equisetales | ||
Member meronym | division Pteridophyta, Pteridophyta | ||