Myxomycetes of the Scientific Herbarium Maria Eneyda P. K. Fidalgo (SP): species of Trichiaceae (Myxogastromycetidae, Trichiales)

Myxomycetes do Herbário Científico do Estado Maria Eneyda P.K. Fidalgo (SP): espécies de Trichiaceae (Myxogastromycetidae, Trichiales

This article prese nts a review of the Trichiaceae collection of the SP Herbarium which holds 128 exsiccates mainly collected from Conservation Units of Atlantic Forest (Parque Nacional da Floresta da Tijuca and Parque Nacional do Itatiaia, Rio de Janeiro State; Parque Estadual das Fontes do Ipiranga and Reserva Biológica do Alto da Serra de Paranapiacaba, São Paulo State). Some specimens were collected from Amazon Forest (Pará and Rondônia States), Cerrado, (savanna-like vegetation), coastal environments, and urbanized areas (Minas Gerais and São Paulo States). The Trichiaceae collection is in well preserved conditions, with six genera and 15 species. Arcyria, with six species, represents 60% of all exsiccates. Arcyria denudata (L.) Wetts. is a new record for Pará State, enhancing the knowledge of this species geographic distribution in the Brazilian Amazon Region. A commented list of the species and exsiccates are provided herewith, including the typus of the genus Arcyriatella Hochg. & Gottsb.

Arcyriatella ; biodiversity; biological collections; neotropics