| Cladonia marcellii Ahti & S. Stenroos in Ahti Fl. Neotr. Monogr. 78: 288. 3 Mar 2000. Brazil, Minas Gerais, Mun. Catas Altas, Parque Natural do Caraça, by Rio Caraça 0.5 km N of Caraça monastery, 1200 m, 1989, S. Stenroos, T. Ahti & M. P. Marcelli 3837. |
| | | Holotype SP, Isotype H, NY |
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