Summary
The type specimen ofGymnoascus verticillatus Smith was studied and is described as the type of a new, monotypic genus,Actinodendron. The new genus is characterized by the formation of brown to dark colored ascocarps bearing brown appendages with verticels of short branchlets. Ascospores ofA. verticillatum (Smith)Orr &Kuehn are pale brown and almost discoid. Additional specimens of this species are reported.
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References
Orr, G. F. &Kuehn, H. H. &Plunkett, O. A. (1963). The genusGymnoascus Baranetzky. Mycopathol. et Mycol. Appl.21, 1: 1–18.
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Smith, A. L. (1900). Some new microscopic fungi. J. R. microsc. Soc.1900: 422–424.
Smith, A. L. (1901). Fungi new to Britain. Trans. Brit. mycol. Soc.1: 150–158.
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Orr, G.F., Kuehn, H.H. Gymnoascus verticillatus smith. Mycopathologia et Mycologia Applicata 21, 211–216 (1963). https://doi.org/10.1007/BF02052576
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DOI: https://doi.org/10.1007/BF02052576