Which plant group does Sphenophyta refer to?

Sphenophyta is a taxonomic group that refers specifically to horsetails, which are unique plants belonging to the family Equisetaceae. These plants are characterized by their hollow, jointed stems and whorled leaves, and they have a long evolutionary history, dating back to the time of the dinosaurs. Horsetails are recognized for their distinctive features, including their spore-producing cones and their presence in damp environments. This group is significant in the study of plant evolution and ecology. Recognizing Sphenophyta as horsetails highlights the importance of understanding plant classifications and characteristics in biological science.