Notes: On Alnus rubra.
Temp- mid 50’s raining hard past 24 hrs.
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You’re supposed to have both species. Keep posting them, and maybe we’ll start to see a pattern emerge. :) Here’s all the info I have to go off of:
1a. Soredia-bearing outgrowths essentially undivided along the outer margins; soredia therefore diffuse over a broad button-like or collar-like platform [sAK, wBC, wWA, wOR] … Menegazzia terebrata
1b. Soredia-bearing outgrowths often wavy or much-divided along the outer margins; soredia therefore at least partly in irregular clusters … Menegazzia subsimilis
Although, a few of the images from the observations earlier this week had mounds of soredia as well(in small areas on the default image for subsimilis) I have been only finding these so far on Alnus rubra here in Western Washington. If funding for lichen studies was available from our state I would be the first to jump at the chance to monitor and study these- they’re truly a beautiful species and I want to know more about them too :)
I’m hardly an expert, but compare the soredia on this specimen with those of the other Menegazzia you posted a few days ago. This one has big powdery piles of soredia almost in mounds; the others have ragged coarse soredia clumped in tatters.
I wish I knew the relative abundance of the two species, or what their habitat preferences were.
Created: 2011-03-13 15:52:30 CST (-0500)
Last modified: 2011-03-13 16:36:15 CST (-0500)
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