Gradstein, S.R. and Ilkiu-Borges, A.L. 2021.

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

. Phytotaxa. 525, 1 (Nov. 2021), 26–36. DOI:https://doi.org/10.11646/phytotaxa.525.1.3.