Heterosporeae

plural noun

Het·​er·​o·​spo·​re·​ae

ˌhetərōˈspōrēˌē

in some classifications

: a primary subdivision of Pteridophyta including the Lycopodiaceae and Equisetaceae and producing two kinds of asexual spores

Word History

Etymology

New Latin, from heter- + -sporeae (from Greek spora seed)

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