^Lumbsch TH, Huhndorf SM. (December 2007). "Outline of Ascomycota – 2007". Myconet. 13. Chicago, USA: The Field Museum, Department of Botany: 1–58. Archived from the original on 2009-03-18.
^Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN978-0-300-19500-2
^Allen, Jessica L.; McMullin, Richard Troy (2015). "Chaenotheca balsamconensis, a new calicioid lichen on Trichaptum abietinum from North America that is benefiting from widespread conifer fatalities". The Bryologist. 118 (1): 54–58. doi:10.1639/0007-2745-118.1.054. S2CID85023116.
^Tibell, Leif; Tibell, Sanja; Van Der Pluijm, Arno (2019). "Chaenotheca biesboschii a new calicioid lichen from willow forests in the Netherlands". The Lichenologist. 51 (2): 123–135. doi:10.1017/S0024282919000021. S2CID150037356.
^Tibell, L. (1998). "Crustose mazaediate lichens and the Mycocaliciaceae in temperate South America". Bibliotheca Lichenologica. 71: 46.