Isoetes
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Isoetes, commonly known as the quillworts, is a genus of lycopod. It is the only living genus in the family Isoetaceae and order Isoetales. As of 2016, there were about 200 recognized species, with a
Isoetes tegetiformans
Quillwort megasporangia
Lepidodendron reconstrucción
Isoetaceae
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Isoetaceae is a family including living quillworts and comparable extinct herbaceous lycopsids. It was previously thought to have evolved by reduction in size from arborsecent Isoetales such as Pleuro
Isoetes
…Isoetes, commonly known as the quillworts, is a genus of lycopod. It is the only living genus in the family Isoetaceae and order Isoetales. As of 2016, there were about 200 recognized species, with a cosmopolitan distribution mostly in aquatic habitats but with the…
Illustration Isoetes lacustris 0
Isoetes and Tomiostrobus