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Sphinctanthus hasslerianus and S. microphyllus (Rubiaceae): taxonomic identity, lectotypifications and conservation assessment and chorology

. Phytotaxa [Internet]. 2022 May 5 [cited 2025 Dec. 6];545(1):95-102. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.545.1.8