Observation 105273: Lecanora Ach.
When: 2012-08-06
Who: zaca
No herbarium specimen

Notes: K+ red and KC+ red.

Proposed Names

58% (1)
Eye3 Eyes3
Based on chemical features

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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RE: “When it rains, it pours”
By: zaca
2012-08-14 18:09:29 EDT (-0400)

Fortunately you were able to understand my bad English. And, yes, I’m starting to get used to these “coincidences”, that maybe make part of the job.

“When it rains, it pours” :)
By: Jason Hollinger (jason)
2012-08-14 17:21:08 EDT (-0400)

Isn’t it funny how new things come in clumps?? I think at least part of it is because your eyes become sensitive to the new thing, so naturally you’re more likely to notice it after seeing the first one and getting all excited about it. But there are cases like this, with really distinctive and “obvious” species… who knows. Sometimes it’s just coincidence, I guess. :)

I was just
By: zaca
2012-08-14 17:11:06 EDT (-0400)

astonished, because almost all the Lecanora I saw those days were “unusual”, at least concerning chemistry. I know that, as one of the genus with hundreds of species, it is quite difficult. I will be very carefull in giving names, because without further knowledge from microscopy, its like “rain in the wet” or “to flog a dead horse”.

Be careful with Lecanora
By: Jason Hollinger (jason)
2012-08-14 16:24:23 EDT (-0400)

not to overemphasize macroscopic characters. I wish we had a proper reference that would give us an idea how many species share that chemistry. Still, even without a good reference, you can check all the important chemical and microscopic characters yourself (once your microscope is working correctly again!)… P test can be useful, presence of fine inspersed crystals in upper hymenium or coarse crystals on top of the hymenium, presence of large K- crystals in the amphithecium, size of spores, thickness of the amphithecial cortex both on the sides of the disk and underneath the disk. Together with the macroscopic morphology, all these observations should give you a more confident idea how many “real” species are involved.

I forgot this one from the first day.
By: zaca
2012-08-14 15:46:16 EDT (-0400)

All of the five Lecanora with similar chemistry look different to me. Maybe the specimens in the last two observations are the more similar, but they were observed at different places.

Created: 2012-08-14 15:42:25 EDT (-0400)
Last modified: 2012-08-14 15:42:50 EDT (-0400)
Viewed: 46 times, last viewed: 2015-08-04 06:53:17 EDT (-0400)
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