MCDONALD, T. Penstemon Rostriflorus Dolphin. University of Colorado Honors Journal, [S. l.], p. 78, 2023. DOI: 10.33011/cuhj20232059. Disponível em: https://journals.colorado.edu/index.php/honorsjournal/article/view/2059. Acesso em: 25 apr. 2024.