Observation 7639: Kuehneromyces lignicola (Peck) Redhead
When: 2008-05-29
Herbarium specimen reported

Notes: small mushroom, on mossy wet rotting conifer logs at edge of bog, clustered or scattered in loose grouping, odor pleasantly earthy
ST: 25 × 3 mm, rarely straight, brownish, v densely white tomentose on bottom half, strongly fibrillose and scurfy even above remnants of fibrillose veil, bends easily without breaking, hollow
CAP: 10-25 mm, convex to bell-shaped, nearly always weakly umbonate, smooth, shiny, clean, “waxy” honey brown to rich reddish brown at margin, margin curled under, hygrophanous, fading buff from center out, cuticle with cells 50-80 × 15-20 µm roughly rectangular (I guess this is filamentous?)
FLESH: off-white in cap, watery-brown in stem, yellow where maggots have been munching
GILL: notched, tan, close, somewhat crenulate edges, not v thin but not waxy
SPORE: rich brown, smooth, ellip but somewhat asymetric, v slightly truncate, 6-7 × 4 µm

These are quite common right now. I’ve seen several dozen populations scattered about this place. The above description should cover most of the variation I’ve seen. I’ve only studied a few under the microscope, but the habitat, timing, and macroscopic texture of stipe and cap all make it clear to me that they’re almost certainly the same species.

Sorry about the lousy photo quality — I’m still learning how to use my friend’s DSLR, and the state of mosquitoes at the moment prohibit lengthy setup of tripods or experimentation!

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Comments

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Thanks
By: Jason Hollinger (jason)
2012-01-25 05:08:47 CST (+0800)

Wish I still had time to study mushrooms with as much zeal. It’s been a long time since I’ve but a gill under a microscope, sigh.

good stuff
By: Britney Ramsey (Riverdweller)
2012-01-25 03:13:26 CST (+0800)

“…Sorry about the lousy photo quality….”
pfft, it was a pleasure to read your observation. I struggle with communicating these features and you’ve made it so concise and exact.

Created: 2008-05-30 14:27:54 CST (+0800)
Last modified: 2012-01-25 02:10:00 CST (+0800)
Viewed: 131 times, last viewed: 2016-03-21 01:47:59 CST (+0800)
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