Knudsen, K. & J. Kocourková 2011: Endococcus thelommatis, a new lichenicolous fungus from Southern California. - In: S. A. Bates (ed.): Biomonitoring, Ecology, and Systematics of Lichens: Festschrift Thomas H. Nash III. Bibliotheca Lichenologica No. 106. J. Cramer in der Gebr. Borntraeger Verlagsbuchhandlung, Stuttgart pp. Pp. 173-178. [RLL List # 223 / Rec.# 32901] Abstract: Endococcus thelommatis is described from Southern California on Thelomma santessonii in oceanic habitats with ascospores dark brown and ornamented, 1-septate, rarely non-septate, not constricted at septa, the cells usually equal, with rounded apices, with or without oil drops, septum ca. 0.5 µm wide, dark brown, without median lamella but often with a pale visible torus, wall dark brown, ornamented ca. 1 µm thick (thicker than septum), distinctly verruculose, (10.0–)11.5–12.7–14.0(–15.0) × (6.0)7.5–8.3–9.0(–10.0) µm, length to breadth ratio l/b (1.16–)1.42–1.6–1.79(–2.17).