Observation 21410: Tuckermanopsis americana (Sprengel) Hale

When: 2009-05-29

Collection location: Forest near Elgin St., Pembroke, Ontario, Canada [Click for map]

Who: Paul Derbyshire (Twizzler)

No specimen available

On a hardwood twig covered with several species of lichen, found in Zone 10 (one end of the “Miracle Mile”: Abies balsamea, Acer rubrum, Acer spicatum, Betula papyrifera, Picea sp., Pinus strobus, Populus tremuloides, and Quercus sp.; now I know why).

One other lichen: http://www.mushroomobserver.org/21409


Proposed Names

29% (1)
Recognized by sight
56% (1)
Based on chemical features: Need to do KC test on medulla to be absolutely sure it’s not T. orbata, but that species typically has more ragged edges, I think. (T. americana is KC+ red (weak); T. orbata is KC-) Both are probably present in your area.

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= Observer’s choice
= Current consensus


Add Comment
Olive is Tuckermannopsis, gray is Parmelia sulcata.
By: Jason Hollinger (jason)
2009-05-30 11:01:30 +06 (+0600)

Created: 2009-05-30 09:39:05 06 (0600)
Last modified: 2009-05-30 09:39:05 06 (0600)
Viewed: 40 times, last viewed: 2019-01-29 14:04:59 06 (0600)
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