MALYSHEVA, E.; MALYSHEVA, V. Pluteus ursulus, a new species of sect. Celluloderma from Russia. Phytotaxa, Auckland, New Zealand, v. 683, n. 3, p. 263–272, 2025. DOI: 10.11646/phytotaxa.683.3.7. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.683.3.7. Acesso em: 18 apr. 2025.