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The main early carboniferous plants were the Equisetales (horse-tails), Sphenophyllales (scrambling plants), Lycopodiales (club mosses), Lepidodendrales (scale trees), Filicales (ferns), and the ...

Some taxonomic changes within Lycopodiales. Folia Geobotanica Phytotaxonomica 26: 81-94. Øllgaard, B. 1975. Studies in Lycopodiaceae, I. Observations on the structure of the sporangium wall. American ...

One of the largest mass extinctions of the past 600 million years (Myr) occurred 200 Myr ago, at the Triassic/Jurassic boundary. The major floral and faunal turnovers 1 have been linked to a ...

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