Articles > Vascular Plants: Ferns and Relatives – Quiz Vascular Plants: Ferns and Relatives – Quiz Quiz Choose the best answer. 1. The simplest of the vascular plants Whisk ferns Club mosses Horsetails Ferns 2. Megaphylls on leaves Whisk ferns Club mosses Horsetails Ferns 3. Leaves are referred to as "fronds" Whisk ferns Club mosses Horsetails Ferns 4. Ribbed stems containing silica deposits in the epidermis Whisk ferns Club mosses Horsetails Ferns 5. Include the spike mosses Whisk ferns Club mosses Horsetails Ferns Send Your Results (Optional) Your Name To Email Time's up