Living lycophytes |
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Selaginella |
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Lycopodium |
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Lycopodiumcross section |
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Isoetes in longitudinal section. |
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Selaginella cone in longitudinal section. |
The Earliest Known Fossil Lycopsids |
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Baragwanathia foliated axis from the Silurian? of Australia. |
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Renalia hueberi sporangia. |
Early Devonian Zosterophylls |
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Zosterophyllum divaricatum compressed fertile axis from the Devonian of Canada. |
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Sawdonia acanthotheca compressed axes from the Devonian of Canada. |
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Serrulacaulis furcatus from the Devonian of N.Y. |
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Crenaticaulis |
The Clade Lycopsida |
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Asteroxylon lobed protostele. |
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Drepanophycus colophyllus axes from the Middle to Upper Devonian, N.Y. |
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Archaeosigillaria vanuxemi compressed axis from the Devonian of N.Y. |
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Leclercqia complexa compressed axes from the Devonian of N.Y. |
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