Observation 59073: Lichen P. Micheli

When: 2010-11-07

Collection location: Kalatope wildlife Sanctuary, Dalhousie, Himachal Pradesh, India [Click for map]

Who: Alok Mahendroo (alok)

No specimen available

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on the other hand..
By: Alok Mahendroo (alok)
2010-11-19 09:32:10 PST (-0800)

It may not be Brigantiaea, but anyhow I suppose I should wait patiently till I manage to get my hands on a microscope and learn to decipher the secrets of the lichenworld…

Wait, first one probably not Lecanora
By: Jason Hollinger (jason)
2010-11-17 14:40:50 PST (-0800)

Notice that the rims of the apothecia are orange just like the disks, but the thallus is pale gray. In most (okay, but not all) Lecanora, the apothecial rims look the same as the thallus, with cortex, medulla and algae. Actually, this is true of Caloplaca, too — if the thallus is not orange, then the margins are not orange either.

But not to worry, there are plenty of other genera not considered yet, including but certainly not limited to!, Bacidina, Biatora, Bacidia, Brigantiaea, … We’re back to needing spores, etc.

No, I’d say two different species
By: Jason Hollinger (jason)
2010-11-17 14:24:28 PST (-0800)

The one on the left looks interesting. I’ll bet anything it’s got interesting chemistry — maybe xanthones (fluoresces yellow in UV). It would also be worth doing a K test on the apothecium (drop of KOH or NaOH — just plain old household lye). It might be Caloplaca (K+ instant deep wine-red).

The one on the right is probably Lecanora. Actually it looks a lot like L. hybocarpa but that’s pure guesswork.

The other may be Lecanora, too, but in both cases we’d need spores and microscopic sections of apothecia at very least to be sure.

two sides of the same coin…??
By: Alok Mahendroo (alok)
2010-11-17 08:51:59 PST (-0800)

Created: 2010-11-17 08:50:24 PST (-0800)
Last modified: 2010-11-19 08:48:15 PST (-0800)
Viewed: 40 times, last viewed: 2018-11-27 12:40:19 PST (-0800)
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