Observation 130007: Lecidella elaeochroma (Ach.) Hazsl.
When: 2013-03-09

Notes: 1.5 × 30cm branch Prunus emarginata above Fraser River which has 15 or 16 species of lichen

mostly seems to fit (distinctive) L. elaeochroma well but paraphyses not lax in H2O

Proposed Names

55% (1)
Eye3 Eyes3
Used references: Knoph, J. -G and C. Leuckert in Nash III, T.H., Ryan, B.D., Diederich, P., Gries, C. and Bungartz, F. (eds) (2004) Lichen Flora of the Greater Sonoran Desert Region, Volume 2; Smith, C.W., Aptroot, A., Coppins, B.J., Fletcher, A., Gilbert, O.L., James, P.W. and Wolseley, P.A. (2009) The Lichens of Great Britain and Ireland; Brodo, Irwin M., Sharnoff, Sylvia Duran and Sharnoff, Stephen (2001) Lichens of North America
Based on microscopic features: see photos; hymenium 65-100u; spores 8/asc, hyaline with thick wall,ave 13×9u; paraphyses simple

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Of course
By: Jason Hollinger (jason)
2013-03-20 18:18:27 CDT (-0500)

The apex is still intact. Interesting that the axial canal is so much broader when immature. Thanks!

I think probably not
By: Richard Droker (wanderflechten)
2013-03-20 10:57:31 CDT (-0500)

My impression was that the second one is very immature. Don’t know if there is a real difference in the structure of the asci of the 2 images. Perhaps I am wrong. Difficult getting good photos (at least with my scope) as compared to what one sees when moving the plane of focus in and out.

Nice ascus stains!
By: Jason Hollinger (jason)
2013-03-14 15:27:36 CDT (-0500)

Is that second one what they look like after dehiscing?

Created: 2013-03-09 14:12:04 CST (-0600)
Last modified: 2013-03-09 14:12:10 CST (-0600)
Viewed: 70 times, last viewed: 2017-06-15 18:46:20 CDT (-0500)
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