Acarospora austrooccidentalis K. Knudsen, Kocourk. & Kondrysová
CC BY 4.0 - Source: Knudsen K, Kocourková J, Kondrysová E, Pušová T, Hollinger J, Leavitt S, McCarthy J, Jedličková L, Westberg M (2025) Discovering the diversity of Acarosporaceae (Acarosporales, Lecanoromycetes) with carbonized epihymenial accretions in North America. MycoKeys 122: 123-148. https://doi.org/10.3897/mycokeys.122.162675
U.S.A. • New Mexico, Lincoln Co., Tularosa Basin, Oscura, Road 54, 33.4863, -106.0928, alt. 1475 m, SW-NE crest above the valley, southernmost hill, on soft acid sandstone, 14 March 2022, J. Kocourková 10842 (PRM-holotype, Hb. K&K-isotype). Kocourková 11902.3 (A–C, E, I), Kocourková Holotype (F–H), Kocourková Isotype (D, J, K). A. Habit of the white ecorticate chasmolithic thallus with apothecia; B. Apothecium with gyrose disc; C. Apothecia forming clusters; D. Young apothecia with segmented margin; E. Apothecia compound with two hymenia; F. Hymenium of asci and paraphyses; G. Hypothecium; H. Non anastomosed very occasionally branched paraphyses; I. Ascus forming ascospores; J, K. Ascospores. Scale bars: 1000 µm (A–C); 500 µm (D); 200 µm (E); 20 µm (F, G); 10 µm (I); 5 µm (H, J, K).
