Gradstein, S.R. & Ilkiu-Borges, A.L. (2021)

Two noteworthy ramicolous liverworts from Mount Roraima, Guyana: Frullania trigona and Metzgeria deniseana sp. nov.

. Phytotaxa 525 (1): 26–36. https://doi.org/10.11646/phytotaxa.525.1.3