File:Diplotomma alboatrum (Hoffm.) Flotow 227760.jpg

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Diplotomma alboatrum (Hoffm.) Flotow

Image location: Lummi Island, Whatcom Co., Washington, USA

on Si rock in salt spray zone

very distinctive spores which look (faintly) 1-septate but develop into multiiple round locales (not oil bodies)

as Buellia alboatra in Nash et al.

Apparently D. chlorophanum which was also found nearby ( https://mushroomobserver.org/97301?q=Nt0q ) is considered by some to be a variety of D. alboatra which contains norstictic acid. It does differ is some other characteristics though. Interesting that both are found in the same small area.

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; Nash III, T.H., Gries, C. and Bungartzk, F. (ads) (2007) Lichen Flora of the Greater Sonoran Desert Region, Volume 3; Noble, W. J. (1982) The Lichen Flora of the Coastal Douglas-fir Dry Subzone of British Columbia. Ph.D. Thesis, University of British Columbia, Reprinted and nomenclaturally updated in 1996 by Bruce McCune with per mission of the author.

Based on microscopic features: epihymenium brownish; hymenium 60u tall; hypothecium brownish; spores 8/ascus average 17×13; paraphyses 2u diameter, 4u diameter at tip

Based on chemical features: Thallus K neg, no crystals with K

For more information about this, see the observation page at Mushroom Observer.

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This image is Image Number 227760 at Mushroom Observer, a source for mycological images.

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This image was created by user Richard Droker (wanderflechten) at Mushroom Observer, a source for mycological images.
You can contact this user here.

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This image is Image Number 227760 at Mushroom Observer, a source for mycological images.

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, was reviewed on 17 March 2018 by reviewer Túrelio, who confirmed that it was available there under the stated license on that date.

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Date/TimeThumbnailDimensionsUserComment
current07:59, 17 March 2018Thumbnail for version as of 07:59, 17 March 20181,631 × 1,080 (463 KB)Leoboudv (talk | contribs)=={{int:filedesc}}== {{Information |Description='''''Diplotomma alboatrum''''' (Hoffm.) Flotow Image location: Lummi Island, Whatcom Co., Washington, USA on Si rock in salt spray zone very distinctive spores which look (faintly) 1-septate but develop into multiiple round locales (not oil bodies) as Buellia alboatra in Nash et al. Apparently D. chlorophanum which was also found nearby ( [http://mushroomobserver.org/97301?q=Nt0q http://mushroomobserver.org/97301?q=Nt0q] ) is considered by some to be a variety of D. alboatra which contains norstictic acid. It does differ is some other characteristics though. Interesting that both are found in the same small area. <div> <span> 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; Nash <span class="caps">III</span>, T.H., Gries, C. and Bungartzk, F. (ads) (2007) Lichen Flora of the Greater Sonoran Desert Region, Volume ...

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