FIG. 3 in A complete description and conservation assessment of Riella affinis Howe & Underwood (Riellaceae, Sphaerocarpales) new to continental Europe

FIG. 3. — LM and SEM images of spores of Riella affinis Howe & Underwood: A, distal view; B, spines and reticulum from distal pole; C, spines from distal side; D, equatorial row of spines; E, proximal view; F, spines from proximal side; G, distal view; H, spines and reticulum of basal membranes at distal pole; I, spines from distal side; J, proximal view; K, transition between distal and proximal side, showing the equatorial row of distal spines; L, proximal spines and rugose spore surface. (all from VAL-Briof. 11.797). Scale bars: A, E, 50 μm; B, C, D, F, 10 μm; G, J, 30 μm; H, 9 μm; I, 5 μm; K, L, 8 μm.