The term PLANT THAT REPRODUCES WITH SPORES can be summarized as a FERN, which is a four-letter word. Ferns are a type of vascular plant that reproduce using spores instead of seeds. They are one of the most ancient plants on Earth and have been around for over 360 million years. Ferns are found in a variety of habitats, from tropical rainforests to deserts. They are also popular houseplants due to their low maintenance requirements.