GUILLIAMS, C. M.; KELLEY, R. B. Two new combinations in Plagiobothrys (Boraginaceae subtribe Amsinckiinae). Phytotaxa, Auckland, New Zealand, v. 733, n. 1, p. 1–7, 2025. DOI: 10.11646/phytotaxa.733.1.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.733.1.1. Acesso em: 11 dec. 2025.