Hebeloma arcticum HK16.119 (holotype) A spores ×1600 and B spore ornamentation ×1600 in Melzer’s reagent C spores and D spore ornamentation ×1600 in KOH E basidia cheilocystidia and F cheilocystidia ×1000 in Melzer’s reagent G caulocystidia ×500 in KOH H cutis ×125 in KOH. Scale bars: 5 µm (A–F); 10 µm (G); 50 µm (H); microphotographs H.K.J. Beker.

 
 
  Part of: Eberhardt U, Beker HJ, Borgen T, Knudsen H, Schütz N, Elborne SA (2021) A survey of Hebeloma (Hymenogastraceae) in Greenland. MycoKeys 79: 17-118. https://doi.org/10.3897/mycokeys.79.63363