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The first seedless vascular plants evolved over 439 million years ago during the Silurian period. These early vascular plants developed the ability to synthesize lignin which gave them support.

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Q: When did seedless vascular plants evolve?
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What is a seedless vascular system?

Seedless Vascular Plants that withhold gammets and spermers


Which group of plants include ferns horsetails and club mosses?

They are all seedless vascular plants


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Is fern a vascular plat?

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Seedless vascular plant that only possess vascular tissue in the stem?

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