When: 2016-03-20

Collection location: Badger State Trail near Tunnel Rd., Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

Specimen available

Notes:
Pending specimen ID

Images

Proposed Names

29% (1)
Recognized by sight
68% (2)
Based on microscopic features: Spores are simple, 12×5, hyaline, >16/ascus with 2 oil droplets; septate paraphyses
This is an unusual/atypical specimen because it appears to be partly sorediate; the apothecia have yellow-green disks but orange exciples; the thalli are orange.
The occurrence on a not very old, treated lumber railing (lignin) is unusual also.
It is possibly an undescribed species.
Based on chemical features: Thallus and apothecia K-

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= Observer’s choice
= Current consensus

Comments

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At first I was surprised at Jim’s ID, for I’ve never seen this species on wood
By: Andrew Khitsun (Andrew)
2016-04-10 17:24:04 -05 (-0500)

But doing a little research, I found it in places like Sharnoff’s photography, Waysof enlichenment and others. Naturally, this species looks different on different substrate.

On wooden railing of the bridge, less than 1cm in size
By: Andrew Khitsun (Andrew)
2016-03-21 21:43:36 -05 (-0500)