KELLER, H. W.; PRICE, R. L.; STONE, B. G.; FORRESTER, E. D. Arcyria versicolor of western mountains, U.S.A. (Myxomycetes: Trichiales: Trichiaceae): a morphological and taxonomic study with observations of nivicolous species. Journal of the Botanical Research Institute of Texas, v. 14, n. 2, p. 435-459, 7 Dec. 2020.