RODRÍGUEZ-PEÑA, Rosa A; WOLFE, Andrea D. Effect of climate, anther morphology and pollination syndrome on pollen availability in Penstemon: Factors that affect pollen availability in Penstemon. Journal of Pollination Ecology, [S. l.], v. 35, p. 296–311, 2023. DOI: 10.26786/1920-7603(2023)703. Disponível em: https://pollinationecology.org/index.php/jpe/article/view/703. Acesso em: 15 apr. 2024.