Observation 211509: Leptogium (Ach.) Gray
When: 2015-07-25
Who: zaca
No herbarium specimen

Notes: Growing on bark.

Images

543220
Microscopy: Other sections of thallus;
542787
542788
543219
Microscopy: Section of thallus; Lobe in face view and Nostoc chains;
543221
Microscopy: Section of thallus at an isidiate lobe and corresponding isidia.

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Comments

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Microscopy added.
By: zaca
2015-07-29 15:44:31 CDT (-0500)

Some microscopic features of this specimen:
Lobes with paraplectenchymatous structure (in face view), cortex also paraplectenchymatous at both upper and lower faces;
Nostoc cells, 5–7 μm in diameter, in chains or in groups of few elements (3-6);
Isidia very small, roundish with diameter 20-30 μm.

Created: 2015-07-27 16:22:43 CDT (-0500)
Last modified: 2015-07-29 15:45:10 CDT (-0500)
Viewed: 23 times, last viewed: 2017-06-20 11:36:11 CDT (-0500)
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