Observation 19529: Dasyscyphus virgineus (Batsch) Gray
When: 2009-03-17
No herbarium specimen

Proposed Names

31% (3)
Eye3
Recognized by sight: tiny asco spotted by Maggie Rogers
39% (4)
Eye3 Eyes3
Recognized by sight: sure enough, enlarged hi-res photo shows dense hairs…it’s the stalked hairy fairy cup!
Thanks Tim; good call.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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the question is not do tiny hairy white cups appear on leaves…
By: Debbie Viess (amanitarita)
2009-03-20 15:09:54 CET (+0100)

that’s a given. The question is what the heck is this particular species, and there seems to be more than one answer. Still have that leaf, will ship to whomever is brave or foolish enough to dig deeper!

Well, maybe not to you, Gerhard, but only because of the distance of your mailing address, no criticism of your abilities!

Another obsie related question…would this be an endophytic fungus that only fruits from leaf drop?

My experiences…
By: Tim (Twboss)
2009-03-20 06:18:58 CET (+0100)

I find them here (RI) on leaves often. Mostly on recently fallen deciduous leaves. Also on dead/dying tree trunks and a few times on what seemed to be completely healthy understory growth. My guide doesn’t mention leaves specifically though.

Hi Res picture — use a selection
By: Patrick Harvey (pg_harvey)
2009-03-19 19:49:51 CET (+0100)

You can edit the Hi-res picture, select a part of it (the hairiest
cup you can see), copy that to the clipboard, then paste it into a new, smaller file.

Fair enough Doug…
By: Debbie Viess (amanitarita)
2009-03-19 17:15:46 CET (+0100)

back to Fungi sp. it is. Anybody want to work up the leaf? It might not be THE stalked hairy fairy cup but it is A stalked hairy fairy cup!

I have a higher res photo in my files…
By: Debbie Viess (amanitarita)
2009-03-19 16:26:19 CET (+0100)

and when I enlarged it, I could see bristling edges. takes too long to download the really big ones to MO tho! Obviously, those hairs are NOT very obvious w/out special treatment tho…;)

Eeee… not sure there…
By: Douglas Smith (douglas)
2009-03-19 16:26:08 CET (+0100)

I think there is more work to do here. I thought that Dasyscyphus virgineus in on small woody debris, not sure about the leaf substrate. Do you have a shot about the “hairs” on the back side? What some others to think about – like Hymenoscyphus on herbaceous debris, and Hyaloscypha also has small hairs on the back, I’ve seen this one on bark.

Covered with hairs ?!?
By: Patrick Harvey (pg_harvey)
2009-03-19 16:10:39 CET (+0100)

Good grief! It makes my eyes hurt just THINKING about looking for hairs on those. Isn’t imgaging technology wonderful? Do you have an image of the
close-up view?

Dasyscyphus virgineus
By: Tim (Twboss)
2009-03-19 06:18:32 CET (+0100)

Densely covered in white hairs?

Created: 2009-03-18 16:16:16 CET (+0100)
Last modified: 2011-04-27 10:48:08 CEST (+0200)
Viewed: 107 times, last viewed: 2016-03-21 12:25:02 CET (+0100)
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