FIGURE 2 in Five new synonyms in Serpocaulon (Polypodiaceae)

FIGURE 2. Spore comparison of the synonyms of Serpocaulon sessilifolium (A and B) and S. wagneri (C and D). A. S. acuminatum, from the type l'Herminier s.n. (RB). B. S. sessilifolium from Anonymus s.n. (P). C. Polypodium kuhlmannii, from the type Kuhlmann 1 (R). D. S. wagneri, from Schlim 636 (BR). Scale bars: 20 μm. All spores are in lateral view.