Scanning electron micrographs of spores A–F Phaeoceros perpusillus var. scabrellus A distal view of spore showing a central hump-like projection B proximal view of spore with a distinct triradiate mark C close-up of distal surface showing packed vermiculae D close-up of proximal surface showing loosely arranged vermiculae E proximal surface showing trilete mark and loosely arranged vermiculae F spores and pseudoelaters G–I P. perpusillus var. perpusillus G distal view of spore H proximal view of spore I close-up of distal surface showing pluripapillae. Photos by O. Suwanmala. (A–F images from S. Chantanaorrapint & C. Promma 3129 G–I images from S. Chantanaorrapint & O. Suwanmala 3883).