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Any of various simple microphyllous vascular plants, of the family Lycopodiaceae, that resemble mosses and produce spores.

Palhinhaea cernua with close-up of branch

Any of various simple microphyllous vascular plants, of the family Lycopodiaceae, that resemble mosses and produce spores.

External impression of Lepidodendron from the Upper Carboniferous of Ohio

Any of various simple microphyllous vascular plants, of the family Lycopodiaceae, that resemble mosses and produce spores.

Axis (branch) from Archaeosigillaria or related lycopod from the Middle Devonian of Wisconsin