Observation 21618: Peltigera rufescens (Weiss) Humb.

When: 2009-05-13

Collection location: Rivière-Éternité, Parc du Saguenay, Quebec, Canada [Click for map]

Who: Chris Parrish (kitparrish)

No specimen available

Characterization: Peltigera with
(1) relatively flat, pale gray thallus
(2) “hands in the air,” light-colored, marginal lobes
(3) simple, mostly unbranched, white rhizines

Species Lists



Proposed Names

28% (1)
Used references: Hinds and Hinds, 2007, pp.355-374
84% (1)
Recognized by sight: Lobe margins are turned down enough to be in the P. canina group. Just a guess.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
I’m more comfortable saying this is rufescens now…
By: Jason Hollinger (jason)
2009-08-26 06:06:31 CDT (-0400)

This is classic material, and you can even see the veins turning dark in one place on the second photo. (P. ponojensis would have more discrete rhizines and entirely pale veins.) I no longer thing the margins are sufficiently down-turned to consider the P. canina group.

Created: 2009-06-03 11:46:27 CDT (-0400)
Last modified: 2009-06-03 11:46:27 CDT (-0400)
Viewed: 146 times, last viewed: 2017-06-06 00:10:40 CDT (-0400)
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