Observation 70673: Parmotrema A. Massal.
When: 2011-06-23
Collection location: Sintra, Portugal [Click for map]
Who: zaca
No herbarium specimen

Notes: Here are some of the features of this specimen:
- Growing on rocky soil; Thallus greenish-gray;
- lobes well developped, imbricate, ascending and wavy; some lobes with a rose-red tinge and some lobes white mottled;
- lobe margins sorediate, almost lacking cilia (only a few are visible); no isidia;
- lower surface black, light brown or black at margins;
- chemistry: K-, C-, KC+ red on medulla.

Despite of the same chemical reactions this looks very different from the one in MO70672, starting with the habitat. Also the color and the configuration of thallus is different.

Proposed Names

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Based on chemical features

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Comments

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This really looks like P. dilatatum / P. gardneri
By: Jason Hollinger (jason)
2011-07-01 15:08:48 HST (-1000)

This is very typical. And it definitely has a few cilia — not always easy to find.

[PS. This is a good example of how a well-developed specimen having small white splotches below even thought the species isn’t “supposed to”. I see that a lot in dilatatum/gardneri in particular.]

Created: 2011-07-01 07:24:44 HST (-1000)
Last modified: 2011-07-01 07:24:46 HST (-1000)
Viewed: 45 times, last viewed: 2016-10-25 19:28:16 HST (-1000)
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