Which group is the most diverse of the seedless vascular plants?

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Ferns are the most diverse group of seedless vascular plants, comprising over 12,000 species. They exhibit a wide range of morphological and ecological diversity, with some species adapted to grow in deserts while others thrive in tropical rainforests. Additionally, ferns exhibit a diversity of life cycles and reproductive strategies. Club mosses and horsetails are much less diverse groups, with only a few hundred species each. Ginkgoes are not seedless vascular plants, but gymnosperms with seeds.

Which Group Is the Most Diverse of the Seedless Vascular