FIGURE 8 in Taxonomic revision of Riella subgenus Trabutiella (Riellaceae, Sphaerocarpales)

FIGURE 8. Scanning electron microscopy photographs of spores from dioicous species of Riella subgen. Trabutiella. A, C, E, G, I. R. cossoniana. B, D, F, H, J. R. echinata. A-B. General view of distal face. C-D. General view from proximal face. E–F. Detail of ornamentation from distal face. G–H. Detail of the spore surface and spines from distal face. I–J. Detail of the spore surface and spines from proximal face. (A, S from B177467 Krypto-S, B, D from 04003558 JE, C from 4100 MA-Hepat., E, G from 9.226 VAL- Briof. H from 006621 Herb. Dirkse, F, J from from 015093 Herb. Dirkse).