Found on well-rotted Noble fir stump. Almost missed this lichen, which is perhaps 6mm across, and 8mm deep. Has black scales or bumps, plus white scales.
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The black dots could also be pycnidia. There are countless reasons a Cladonia species might suddenly grow an aberrant large squamule — including not least that this squamule was destined to be fertile! all the rest are not. But tiny black dots can also easily be some peritheciate parasite. There are many that like Cladonia squamules. And they can easily be restricted to a single squamule. Some even induce gall-like growth in the host (rare though).
Or, of course, this could be a baby something else entirely…
Not parasitized to my eye, no. If it were, I would expect other squamules nearby to also be parasitized. This was the only one of its kind I could find. Odd looking, isn’t it?
Created: 2014-06-14 00:16:11 EEST (+0300)
Last modified: 2014-06-14 00:16:15 EEST (+0300)
Viewed: 23 times, last viewed: 2017-06-18 15:35:48 EEST (+0300)