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Phylum Pterophyta: ferns, horsetails and Whisk ferns

 

 

 

 

 

 

 

                                    ferns

 

 

 

 

                                                                                                                                    Horsetails

 

 

 

 

            Whisk ferns

 

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                        vascular tissue                                                                                               fern sori

(Phloem cells are smaller, xylem cells are larger)

                       

                                    fern prothallium                                                                                    Equisetum strobili

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