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Pteridophytes (ferns and lycophytes) are a widespread group of plants of around 13,000 species found in almost every habitat in the world. We selected 1,500 species of pteridophytes at random from a ...
Ferns are classified as pteridophytes; the root meaning of “fern” is feather, while the root meaning of “pteridophyte” is winged plant. Ferns reproduce by spores, which are mistakenly ...
Despite such a seemingly complex reproductive cycle, ferns -- together with horsetails and clubmosses -- comprise an ancient division of plants known as Pteridophyta. Today, they are widely ...
Ferns—and a related group called lycophytes—have been around in one form or another for more than 400 million years. This group of plants, collectively called pteridophytes, was the first to ...
They and their allies - plants that aren't true ferns but behave like them in important ways - are in a major division of the plant kingdom called Pteridophyta. They are distinguished by the fact ...
Be sure to obtain the 2001 revised edition. I supplement the Hallowell guide with "Field Guide to the Ferns and Other Pteridophytes of Georgia" (Athens: Univ. of Georgia Press, 1986). And I ...
Around 390,000 plant species are known, worldwide. Of those, less than 3%, or 10,500 species, are ferns. Peak abundance occurs in tropical regions worldwide, and diversity dwindles northward.
Most of the 470-million-year history of plants on land belongs to bryophytes, pteridophytes and gymnosperms ... (horsetails), psilotophytes (whisk ferns) and all eusporangiate and leptosporangiate ...
Ferns -- and a related group called lycophytes -- have been around in one form or another for more than 400 million years. This group of plants, collectively called pteridophytes, was the first to ...