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Didymium trachysporum G. Lister
Life   Amoebozoa   Eumycetozoa   Didymiaceae   Didymium

Didymium trachysporum
© The Eumycetozoan Project, 2006 · 0
Didymium trachysporum

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Didymium trachysporum
© The Eumycetozoan Project, 2006 · 0
Didymium trachysporum
Plasmodium colourless. Sporocarpous or forming slender, curved, simple, branched or annulate plasmodiocarps, sessile. Sporotheca hemispheric or pulvinate on a constricted base, scattered, 0.1-0.6 mm diam., white or cream. Peridium double, the outer layer a smooth or wrinkled crust of compacted lime crystals, the inner layer membranous, hyaline, ± iridescent. Columella rudimentary or lacking and replaced by the pale yellow base which is thickened at the margin with deposits of lime crystals. Capillitium rather scanty, variable, usually consisting of a network of hyaline or purplish, stout or slender threads, sometimes bearing vesicular expansions which enclose lime-crystals. Spore-mass black. Spores 9-10 µm diam., dark purplish brown, coarsely and irregularly verrucose, the warts often arranged in lines to form an imperfect reticulation.

Links to other sites

  • Lado,C., Moreno, G. 1976: Contribucion al estudio de los Myxomycetes en Espana Peninsular I.. Anales del Instituto Botánico A.J.Cavanilles 23: 111-124.
  • Lister,G. 1923: On a new species of Didymium occuring in Essex. The Essex Naturalist 20: 113-115.
  • Moreno,G., Illana, C., Lizárraga, M. 2001: SEM studies of the myxomycetes from the peninsula of Baja Californica (Mexico), III. Additions. Annales botanici Fennici 38: 225-247.

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.

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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