|
|
Overview | |
Primarily plasmodiocarpous, gregarious to crowded, ± terete, often ± segmented, 0.3-1 mm wide, 0.3-0.5 mm high, frequently curved and branched or labyrinthoid, up to 10 x 40 mm, sometimes with sessile sporocarps, smooth, creamy yellow to ochraceous or ivory. Hypothallus thin, translucent, colourless to pale yellow, shining, membranous. Peridium double and distant, often appearing triple, the outer layer(s) a thick, white, smooth, brittle lime crust covered by a yellow, membrane which frequently dries into reddish orange spots, the inner layer thin, translucent, membranous, lightly powdered with white lime. Dehiscence irregular, flaking off with fragments of inner peridium attached. Capillitium dense, the nodes varying from large and angular or branched to small and fusiform, yellow, ivory to white, connected by hyaline threads forming a rigid net, hoary to light yellow when blown. Columella a central white to yellow ridge in plasmodiocarps or, when lime is scanty, in the form of a thickened base. Spore-mass black. Spores dark purple-brown, evenly verrucose, 11-13(-14) µm diam. Plasmodium pale yellow. Nivicole.
|
|
|
Links to other sites | |
|
|
|
References |
- Kowalski,D.T. 1973: Notes on western Myxomycetes. Madrono 22: 151-153.
- Mitchel,D.H., Chapman, S. W., Farr, M. L. 1986: Notes on Colorado Fungi V: Physarum alpestre, a new species. Mycologia 78: 66-69.
|
|
|
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.
|
|
|
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.
|
|
| Supported by | |
Updated: 2024-04-29 02:00:19 gmt
|
