Observation 137189: Scutellinia scutellata group
When: 2013-06-06
No herbarium specimen

Notes: Found by Bharati.

the first micro-shot is of the squashed cup at 400x in Meltzer’s. The paraphases have blunt swollen ends, and pigmented purple.

The second micro-shot is of the squashed cup at 400x in Meltzer’s. This shows the edge of the cup, and the pigmented “hairs” around the edge. These are thick walled, with pointed ends.

The third micro-shot is of an asci at 1000x in Meltzer’s. There are no reactions to the reagent here, and the spores are ellipsoid, with a marbled/lightly roughened surface. The apr. spore size is 20 × 16 um.

And getting down all the details on these little guys and going to the source, when you key it out it ends up with Scutellinia scutellata. Which seems to be true every time I put one of these under the scope. It seems that you need some really clear difference for it to not be S. scutellata.

Proposed Names

56% (1)
Used references: Beñat’s comments at Observation 26456: S. scutellata is a name commonly adopted since several years all around the world and given on a lot of photos on forum, on a lot of herbarium exsiccata without scopic studies. In fact, I have seen typus and a lot of collections, I have seen DNA results and I continue to send specimens for DNA study. And globally, the results are : the most common species on wood in the world is S. crinita (even in North America, I have study a lot of collections from US) and S. scutellata is a great complex but, often, rare species. So, give the name scutellata is an error at 99%. In fact, today, I don’t know the borders of this species and I’m unable to put this name on a collection. I call it simply “S. scutellata complex”. (emphasis added)

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Created: 2013-06-21 14:29:29 CDT (-0500)
Last modified: 2014-09-18 15:55:58 CDT (-0500)
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