Observation 96253: Ramalina lacera (With.) J.R. Laundon
When: 2012-06-02
Who: zaca
No herbarium specimen

Notes: This time I have some target species in the genus Ramalina. These are R. lacera and R. canariensis. According to the reference given, the first one is characterized by: (1) Solid thallus with one to many ragged, flattened, (2) reticulate and +/- solid lobes, the cortex often peeling; (3) Soralia develop on surface and edges of lobes.
The second species is considered similar to the first one, and its features can be described as follows:
(1) having hollow, +/- flattened, grey-green thallus, (2) slightly branched with wrinkled lobes to 1cm wide; (3) Lobe ends split revealing farinose soredia.
None of this species usually present apothecia and like most of he species in the genus the chemical reactions to C, K or KC are negative.
To observe them I chose some locations where I remember to found some in the past. In these first set of observations I only present specimens which I think that can belong to first one of the two species cited above and later I will present some others concerning the second species.

Proposed Names

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Recognized by sight
Used references: Irish lichens.

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Thanks, Jason,
By: zaca
2012-06-03 20:50:24 CDT (-0400)

but I still have many doubtful cases.

Spectacular set of observations!
By: Jason Hollinger (jason)
2012-06-03 20:18:08 CDT (-0400)

You’ve convinced me that I could recognize this species in the field now. :)

Created: 2012-06-03 18:49:59 CDT (-0400)
Last modified: 2012-06-03 19:00:47 CDT (-0400)
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