Question

write a note on lyginopteris​

Answer 1

Explanation:

Lyginopteris is a genus of Late Carboniferous seed fern stems with a very distinctive outer cortex of sclereids forming a pattern in cross section like Roman numerals on a clock face, often called a Sparganum cortex. Some Lyginopteris were parasitized by water molds.

Answer 2

Answer:

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Explanation: