M. E.  Palm, ?Taxonomy and morphology of the synanamorphs Pilidium concavum and Hainesia lythri (Coelomycetes)?, Mycologia, vol. 83, pp. 787-796, 1991.

A. Y.  Rossman, Aime, M. C., Farr, D. F., Castlebury, L. A., Peterson, K. R., and Leahy, R., ?The coelomycetous genera Chaetomella and Pilidium represent a newly discovered lineage of inoperculate discomycetes?, Mycological Progress, vol. 3, pp. 275-290, 2004.

W.  von Brackel, ?Weitere Funde von flechtenbewohnenden Pilzen in Bayern ? Beitrag zu einer Checkliste IV?, Berichte der Bayerischen Botanischen Gesellschaft, vol. 79, pp. 5-55, 2009.

P.  Diederich and van den Boom, P., ?Two new lichenicolous species of Hainesia (asexual Ascomycetes) growing on Cladonia?, Bulletin de la Société des naturalistes luxembourgeois, vol. 114, pp. 59-63, 2013.

M.  Eichler, Cezanne, R., Diederich, P., Ertz, D., van den Broeck, D., van den Boom, P., and Sérusiaux, E., ?New or interesting lichens and lichenicolous fungi from Belgium, Luxembourg and northern France. XIII?, Bulletin de la Société des naturalistes luxembourgeois, vol. 111, pp. 33-46, 2010.