Comatricha alpina Kowalski
  Eumycetozoa   Stemonitidaceae   Comatricha

Comatricha alpina
© The Eumycetozoan Project, 2006 · 0
Comatricha alpina

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Overview
Sporocarps densely caespitose, jet black when the spores are present, purple-brown after spore dispersal, cylindrical, but tapered slightly at the apex,1.5-3.0 mm total height, 0.5-1.0 mm wide. Stalk short, up to 1.0 mm long, black. Peridium fugacious. Hypothallus continuous, dark brown to black, ▒ orange outwards. Columella black, cylindrical, but tapered slightly and becoming irregular at the apex, ending just below the apex of the sporotheca, capillitium arising evenly along its entire length. Capillitium rigid, composed of branched and anastomosed threads forming a dense reticulum with numerous free ends. Spore-mass black. Spores purple-brown, 11-12 Ám diam., minutely and densely spinulose, lighter on one side. Plasmodium unknown. Nivicole.

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References
  • Illana,C., Moreno, G., Castillo, A. 1993: Spanish Myxomycetes VIII. Some nivicolous Myxomycetes from central Spain. Cryptogamie, Mycologie 14(4): 241-253.
  • Kowalski,D.T. 1973: Notes on western Myxomycetes. Madrono 22: 151-153.

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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Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA
email: jshadwi@uark.edu   phone: USA-479-575-7393.

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