T. T. Denchev, C. M. Denchev, and M. . Kemler, “Entyloma ratibidae (Entylomataceae), a new smut fungus on Ratibida pinnata (Asteraceae) from USA based on molecular analyses, comparative morphology, and host specificity”, Phytotaxa, vol. 726, no. 2, pp. 85–94, Oct. 2025.