Carolinea 76

W irth et al .: Biota in a Renosterveld vegetation habitat 45 Figure 11. Usnea rubicunda on quartz rock (width ca. 10 cm). Figure 12. Xanthoparmelia am­ phixanthoides (width 2.1 cm). Figure 13. Xanthoparmelia cafferen­ sis (width 2.1 cm).