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Diderma rufum Nann, -Bremek
Life   Amoebozoa   Eumycetozoa   Didymiaceae   Diderma


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Overview
Sporocarps gregarious, stalked, dark red-brown, subglobose or slightly angular by the presence of ridges enclosing c. 10 plates, c. 1 mm diam., total height c. 2 mm. Hypothallus membranous, shining, silvery, ochraceous by TL, with a very little lime. Stalk reddish-ochraceous, striate, translucent by TL, paler towards the base, limeless, c. 50% of total height. Columella brown, cylindrical or clavate, slightly calcareous. Capillitium consisting of rather fine, undulating, violaceous threads with colourless tips, radiating from the columella, hardly anastomosed but branched dichotomously especially towards the extremeties, some threads with dark plasmodic granules adhering. Peridium thick, single, dark red-brown, cartilaginous, with embedded lime. Dehiscence irregular, sometimes along preformed ridges, exposing the red-brown inner side of the peridium. Spore-mass dark brown. Spores violaceous grey, 13-15 µm diam., densely spinulose. Plasmodium white.

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References
  • Nannenga-Bremekamp,N.E. 1968: Notes on Myxomycetes. XVI. Remarks on some species of Diderma. Proceedings.Koninklijke Nederlandse Akademie van Wetenschappen.Ser.C, Biological and medical sciences 71: 189-200.

Acknowledgements
The Eumycetozoan Project -- working to understand the ecology, sytematics and evolution of myxomycetes, dictostelids and protostelids -- the true slime molds.

Sponsored by grants from the National Science Foundation.


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Please send any corrections and comments about this page to John Shadwick
Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA
email: jshadwi@uark.edu   phone: USA-479-575-7393.

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