Berger, A., Clark, J. L., & Weber, A. (2015).

Besleria macropoda (Gesneriaceae): lectotypification, distribution, functional epiphylly and discordant fruit morphology of a rare Costa Rican endemic

. Phytotaxa, 233(2), 139–152. https://doi.org/10.11646/phytotaxa.233.2.2