A pteridophyte is a vascular plant with xylem and phloem that reproduces by means of spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", me

The embryophytes are plants of the clade Embryophyta, also known as Plantae sensu strictissimo or land plants. They are complex multicellular eukaryotes with haplodiplontic life cycles. All have speci