Paepalanthus amoenus (Bong.) Koern. in Martius & Eichler, Fl. Bras. 3(1): 316, tab. 42 (1863) ≡ Eriocaulon amoenum Bong., Mém. Acad. Imp. Sci. St. -Pétersbourg, Ser. 6 Sci Math. 1: 637 (1831) ≡ Dupatya amoena (Bong.) Kuntze, Revis. Gen. Pl. 2: 745 (1891). Type: BRAZIL. Minas Gerais: “In glareosis graminosis pr. Capanema, February 1825, Riedel s.n. (holotype: LE! in 2 sheets). = Eriocaulon longipes Mart. ex Steud., Syn. Pl. Glumac. 2: 276 (1855). Type: BRAZIL. Minas Gerais: “Brasilia, August– April 1840, Claussen 1156 (holotype: G!). = Paepalanthus amoenus f. prolifer Moldenke, Phytologia 21: 417 (1971). Type: BRAZIL. Minas Gerais: “Bello Horizonte, Serra do Curral–Acaba Munde, 10 March 1933, Mello Barreto 2491 (holotype: NY!), syn. nov. Paepalanthus amoenus var. curralensis Silveira, nom. nud. Silveira (1928) refers to the specimen Silveira 348, which corresponds to Paepalanthus amoenus var. curralensis, from a list of his own collections of Eriocaulaceae. This specimen was found at R and contains a detailed description in Silveira’s handwriting. However, this description has never been published. According to article 32.1 and recommendation 50.1 of the ICBN (McNeill et al. 2006), the name must be treated as nomen nudum.

Published as part of Trovó, Marcelo & Sano, Paulo Takeo, 2010, Taxonomic survey of Paepalanthus section Diphyomene (Eriocaulaceae), pp. 49-55 in Phytotaxa 14 on page 51, DOI: 10.11646/phytotaxa.14.1.4, http://zenodo.org/record/4778755