Figure 27.14 Lycophytes and Monilophytes (A) Club mosses have microphylls arranged spirally on their stems. Strobili are visible at the tips of these stems. (B) Horsetails have a distinctive growth pattern in which the stem grows in segments above each whorl of leaves. These are fertile shoots with sporangia-bearing structures at the apex. (C) The floating leaves of a water fern. (D) Tree ferns dominate this forest in Oparara Basin Kahurangi National Park in New Zealand.