plants Haeckel (1866) - plants Division Charophyta Migula (1889) - charophyte algae and embryophytes see charophytes Subdivision [Streptophytina] see [unranked] Streptophytina Lewis & McCourt (2004) Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883) Vascular Plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) [Seed-Plants; Spermatophyta] Gymnosperms see Class Spermatopsida Subclass Pinidae Cronquist, Takht. & Zimmerm. (1966) [monotypic] - conifers 1 Order Pinales Dumort. (1829) - conifers