Which pteridophyte has the maximum chromosome number?

Ophioglossum reticulatum

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Azolla pinnata

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Lycopodium cernuum

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Selaginella apus

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Solution

The correct option is A Ophioglossum reticulatum
A pteridophyte is a vascular plant (with xylem and phloem) that disperses spores. Animal chromosome numbers range from 254 in hermit crabs to 2 in a species of roundworm. The fern called Ophioglossum reticulatum has 1260 chromosomes.

So, the correct answer is 'Ophioglossum reticulatum'.

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