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Uploaded bykhadija habib
Classification of pteridophyta
Pteridophytes are classified into 4 divisions - Psilophyta, Lycophyta, Sphenophyta, and Pterophyta. Psilophyta includes the most primitive whisk ferns and Lycophyta includes club mosses and spike mosses. Sphenophyta contains the single living genus Equisetum, or horse tails. Pterophyta, or ferns, is the largest and most widely distributed division containing many families and over 10,000 living species distributed worldwide. Each division contains multiple classes that further specify characteristics such as plant body structure, leaf and spore structures, and reproductive systems.
