Observation 165882: Lepraria Ach.
When: 2014-05-24
Collection location: Braga, Portugal [Click for map]
No herbarium specimen

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Recognized by sight
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You should see some of the host lichen
By: Jason Hollinger (jason)
2014-05-27 18:30:36 EDT (-0400)

The host is never completely and perfectly covered. So in the case of Lepraria on another lichen, there should be some part of the host which is clearly not leprose (e.g., with cortex or other structures, not just composed entirely of fluffy granules bound sometimes with a cottony hypothallus).

So, what
By: Elsa (pinknailsgirl)
2014-05-27 18:06:15 EDT (-0400)

is the best way to know if this is a lichen covered with Lepraria or just a Lepraria for itself (normandinoides/membranacea… one with lobes)?

By: Jason Hollinger (jason)
2014-05-27 14:09:03 EDT (-0400)

I might even say “frequently”! In a survey of a wildlife refuge in western US, L. neglecta was more likely to be found growing at least partially on other lichens than on rock or moss, for example. And I’ve seen other species growing on rotting lichens (which really isn’t that different from growing on moss or other plant debris).

By: Elsa (pinknailsgirl)
2014-05-27 14:00:41 EDT (-0400)

a Lepraria be over another lichen, like Cladonia for example?

This looks a lot like Lepraria normandinoides
By: Jason Hollinger (jason)
2014-05-27 12:58:07 EDT (-0400)

Something described from North America just several years ago. I’m looking at that raised “lip” around the margin in particular. I wonder if the species occurs in Europe, too.

Created: 2014-05-25 18:12:01 EDT (-0400)
Last modified: 2014-06-08 16:29:23 EDT (-0400)
Viewed: 19 times, last viewed: 2016-10-21 06:20:33 EDT (-0400)
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