HUANG, Q.-L.; FEI, W.-Q.; WU, H.-S.; YUAN, Q.; YANG, Q.-E. Clematis chengguensis and C. retusifolia (Ranunculaceae), both described from Shaanxi of China, are merged with C. armandi, a widely distributed species in the country. Phytotaxa, Auckland, New Zealand, v. 669, n. 3, p. 211–232, 2024. DOI: 10.11646/phytotaxa.669.3.3. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.669.3.3. Acesso em: 13 jul. 2025.