Observation 6942: Phaeocalicium populneum (Duby) A. Schmidt
When: 2008-02-27
Herbarium specimen reported

Notes: Another calicioid… but not a lichen this time. (But it’s often treated by lichenologists because of its close affinity to a number of truly lichenized genera in the Mycocaliciales, so it’s still “tainted”. :)

Minute stalked black ascomata (less than 1 mm tall and very slender), growing on bark of dead twigs of Populus trichocarpa.

Species Lists

Images

11825
11826
11827
Squash in water, 100×.
11828
Spores in water, 1000×. Some are clearly still in the long narrow asci characteristic of this genus (see the two lines of spores at the top, for example).

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Goward, Trevor. 1999. The Lichens of British Columbia, Part 2.
Tibell, Leif. 1975. The Caliciales of Boreal North America.
Based on microscopic features: translucent stalk; brown, smooth, 1-septate spores

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2008-02-27 18:10:32 PST (-0800)
Last modified: 2008-02-27 18:11:21 PST (-0800)
Viewed: 64 times, last viewed: 2016-10-28 07:00:09 PDT (-0700)