Fern Life Cycles and Vascular Tissue

Seedless vascular plants include ferns, horsetails, whisk ferns, and lycophytes. Ferns are the most common example. Whisk ferns and their relatives, along with horsetails, are monilophytes. Lycophytes include club mosses, spikemosses, and quillworts, and none of these are true mosses.

Seedless va...

There are three major groupings covering the plant life on Earth—nonvascular plants, seedless vascular plants, and seed plants.

The seedless vascular plants were the first to evolve specialized vascular systems—an adaptation that helped them become the first tall plants on Earth. Today, seedless vascular plants are represented by lycophy...