 © The Eumycetozoan Project, 2006 · 0 Arcyria oerstedioides |
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 © The Eumycetozoan Project, 2006 · 0 Arcyria oerstedioides |
| IDnature guide |
| Overview |
| Total height 1.5-2.0 mm before expansion, crowded, ± oval, expanding only slightly, brick-red to beige when fresh. Hypothallus concolorous, shining. Stalk c. 50% total unexpanded height, furrowed, beige to blackish. Sporotheca 0.7-1.0 mm tall, 0.7-0.8 mm diam. Calyculus orange-brown to beige, shining, ± goblet-shaped, ca. 55% the sporotheca, irregularly reticulate with rounded meshes. Capillitium attached inside the stalk apex, only slightly elastic, not falling out from the cup, the threads sparsely branched and forming a wide-meshed net with few free, swollen free ends, ± regularly spinose, the spines 1-3 µm long and frequently connected by ridges, 2.5-4.5 µm diam. (excluding spines), with occasional expansions and swollen free ends up to 6 µm diam. Spore-mass orange-red. Spores pale yellow, 9.5-10.5 µm diam. |
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| Acknowledgements |
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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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