Typifications in Eupatorieae (Asteraceae) Author Rebouças, Natanael Costa Author Giacomin, Leandro Lacerda Author Roque, Nádia Author Bünger, Mariana De Oliveira text Phytotaxa 2022 2022-10-28 570 3 289 294 http://dx.doi.org/10.11646/phytotaxa.570.3.4 journal article 176490 10.11646/phytotaxa.570.3.4 59c9b5a9-1e2e-4141-850b-267a3121f436 1179-3163 7260374 2. Barrosoa betoniciformis ( DC.) King & Robinson (1971: 27) . Conoclinium betoniciforme Candolle (1836: 135) . Lectotype (designated here):— BRAZIL . Rio de Janeiro , accurate location not indicated, 1834, P.W. Lund 211 ( G00494203 [digital image!]) . Candolle (1836) described Conoclinium betoniciforme based on the collection of naturalist Peter Wilhelm Lund; however, he did not specify which material he was referring to. In the herbarium of the Conservatoire et Jardin botaniques de Genève (G) there are two type specimens collected by P.W. Lund , with different collector numbers (s.n. and 211) and dates (1832 and 1834). So , these collections are not duplicates and should be treated as syntypes . Subsequently , King & Robinson (1971) described Barrosoa R.M. King & H. Rob. and proposed the new combination Barrosoa betoniciformis but did not indicate any typifications for the basionym. Due to this, we designate as lectotype P.W. Lund 211 (G00494203, Figure 2 ), given the material’s state of preservation, according to Art. 9.11 of the ICN. The material P.W. Lund s.n. (G 00494002) is treated as a residual syntype . An isolectotype and other syntype are possibly located in the Natural History Museum of Denmark herbarium (C), where most collections of P.W. Lund are housed, but these materials were not accessed.