The Equiseta have hollow jointed stems and no true leaves. The cuticle often contains siliceous granules, so that one species (E. Hyemale) is used for scouring and polishing, under the name of dutch rush or scouring rush.
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bleah, i don't know much about fern clasification, so i'm gonna take a few shots in the dark with genus Dripterix? Polypodium? Licopodium? Equisetum? Selaginella?
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