pteridophyta- unlike mosses, they have xylem and phloem (making them vascular plants). they have stems, leaves, and roots like other vascular plants. ferns reproduce via spores (as shown here on the back of the leaf) and have neither seeds nor flowers.
Sentinels of the Arctic, Finland - These sentinels are actually giant trees covered in snow .These sentinels are actually giant trees covered in snow and ice. This strange sight occurs in winter, when temperatures range from to degrees centigrade.