File:2012-06-19 Collemopsidium Nyl 229258.jpg
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Summary[edit]
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Collemopsidium Nyl. Image location: Lummi Island, Whatcom Co., Washington, USA Superficial on intertidal Si rock with barnacles. (Sometimes grows up onto the barnacles from the rock.) Of the 3 marine Collemopsidium species on the North American checklist (also considering the species in Smith et al.) the most possible would be C. halodytes, but this seems very distinctive. No photos which I can find online resemble this. I would appreciate suggestions on this one. Used references: Smith, C.W., Aptroot, A., Coppins, B.J., Fletcher, A., Gilbert, O.L., James, P.W. and Wolseley, P.A. (2009) The Lichens of Great Britain and Ireland; Grube, M. and Ryan, B.D. in Nash III, T.H., Ryan, B.D.,Gries, C. and Bungartz, F. (eds.) (2002) Lichen Flora of the Greater Sonoran Desert Region, Volume 1; (need to look at Mohr, F., S. Ekman, & E. Heegaard. 2004. Evolution and taxonomy of the marine Collemopsidium species (lichenized Ascomycota) in north-west Europe. Mycological Research 108(5): 515-532) Based on microscopic features: thallus up to 0.4mm thick with “hills and valleys” and grazed upon in places, average photobiont cells ca. 15×10u (quite variable), color cyanobacteria-like rather than green algae-like, arranged in columns; few perithecia (note involucrellum, paraphyses, etc in photo) 370u diameter; spores 1-septate, ca. 15×6u, appear to be up to 8 per ascus; very many pycnidia(?), constricted at base and smaller than perithecia
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This file, which was originally posted to
https://mushroomobserver.org/image/show_image/229258, was reviewed on 15 May 2018 by reviewer Leoboudv, who confirmed that it was available there under the stated license on that date.
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| current | 07:46, 15 May 2018 | | 1,631 × 1,080 (355 KB) | Josef Papi (talk | contribs) | =={{int:filedesc}}== {{Information |Description='''''Collemopsidium Nyl.''''' Image location: Lummi Island, Whatcom Co., Washington, USA Superficial on intertidal Si rock with barnacles. (Sometimes grows up onto the barnacles from the rock.) Of the 3 marine Collemopsidium species on the North American checklist (also considering the species in Smith et al.) the most possible would be C. halodytes, but this seems very distinctive. No photos which I can find online resemble this. I would app... |
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