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Overview | |
Sporocarps scattered to loosely clustered, sessile, hemispherical to pulvinate, seated on a broad base, 1-2 mm diam., dark brown to black. Hypothallus inconspicuous. Peridium triple, outer layer cartilaginous, containing many included dark globules which gives it a mottled appearance under the microscope, usually appressed to the thick, white, calcareous, non-crystalline middle layer, both dehiscing in a stellate manner, the inner layer thin, transparent, membranous, occasionally appressed to the middle layer. Columella often absent, when present, reduced to a thick, calcareous, yellowish brown or sometimes white mound at the base of the sporotheca. Capillitium moderately abundant, consisting of long, filiform threads, sparsely branched and rarely anastomosed, the threads dark brown except at the hyaline extremities, sometimes spine-like from included lime. Spore-mass, purple-brown. Spores violet-brown, verruculose, the warts often highly irregular, 12-14 µm diam. Plasmodium unknown. Nivicole.
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Links to other sites | |
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References |
- Kowalski,D.T. 1968: Three new species of Diderma. Mycologia 60: 595-603.
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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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Feedback |
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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Updated: 2024-04-29 02:10:37 gmt
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