FIGURE 6 in Rediscovery and new combination of Serpocaulon demissum (Polypodiaceae), an endangered endemic species to the Brazilian inselbergs

FIGURE 6. Spore comparisons between the related species of Serpocaulon. A. Lateral view of S. catharinae. B. Detail from folded perine of S. catharinae (A, B from D. Sanín et al. 6771, BHCB). C, D. Lateral and proximal view of S. demissum (from A. Salino et al. 14539, BHCB). E, F. Lateral and proximal view of S. vacillans (from D. Sanín et al. 6855, BHCB). Scale bars: A, C−F: 20 µm; B: 10 µm.