Observation 84163: Ramariopsis (Donk) Corner
When: 2011-12-04
Herbarium specimen reported

Notes: Found near Sunset Highway rest area. Growing inside a rotting conifer stump.

Spores round, 4-6 microns; taken from a crush mount.

Proposed Names

10% (3)
Based on microscopic features
28% (1)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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like fungus on Mars!
By: Debbie Viess (amanitarita)
2015-02-24 14:28:31 EST (-0500)

nice shot, cool little coral.

Not kunzei
By: Sava Krstic (sava)
2015-02-24 13:05:47 EST (-0500)

This is Joshua Birkebak’s new Ramariopsis bensoniae.

Don’t know
By: Sava Krstic (sava)
2011-12-06 05:01:38 EST (-0500)

Irene, thanks again. I’m going to preserve the little things for someone who may know or find out.

Well, I don’t know
By: Irene Andersson (irenea)
2011-12-06 04:53:21 EST (-0500)

I had the same thoughts about kunzei as you, not being used to see it on wood, and it looked very small and delicate compared to the mycenas.
But the spores leads to Ramariopsis, and var. favreae seemed to me like the best match in that key. Perhaps there are more species or varieties to find in some newer literature..

var. favrae
By: Sava Krstic (sava)
2011-12-06 04:38:30 EST (-0500)

Irene, thanks a lot for looking at this fungus, and for the reference. It looks like there is more microscopy to do here. They measure everything!

“Branches …, very crowded, caespitose at the base when the stem portion is virtually absent” — we don’t have this. And the spores, I don’t know if they being consistently round is a strong feature.

Ramariopsis kunzei var. favreae
By: Irene Andersson (irenea)
2011-12-06 04:03:18 EST (-0500)

differs from the main variety by its smaller size, growth on wood, slightly larger spores (looks like they can be quite variable), discolouring stem base and slightly flattened branches.
Described in Mycologia 61(3), p. 556.
What do you think?

Can it be kunzei?
By: Sava Krstic (sava)
2011-12-06 03:34:45 EST (-0500)

(1) Our spores are not “broadly elliptic to round”, but round without exception.

(2) Assuming our specimens are mature, they’re too small for kunzei.

(3) Kunzei is (mostly) terrestrial.

KOH + Congo Red
By: Sava Krstic (sava)
2011-12-06 02:55:19 EST (-0500)
Sava
By: Danny Newman (myxomop)
2011-12-06 02:51:41 EST (-0500)

what’s your mounting medium?

Created: 2011-12-06 02:36:17 EST (-0500)
Last modified: 2015-02-24 13:05:03 EST (-0500)
Viewed: 146 times, last viewed: 2016-11-07 11:11:15 EST (-0500)
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