Orphanomyces arcticus on Carex (?) lachenalii (A–C) and C. maritima (D–G). A Habit (C-F-102485) B–D spores in LM (B, C C-F-102485, in median and surface view, respectively; D C-F-107976) E–G spores in SEM (C-F-107976) H distribution map (red circle – on Carex (?) lachenalii; yellow circle – on C. maritima). Scale bars: 0.5 cm (A); 10 µm (B–D); 5 µm (E–G); 500 km (H).