Observation 75791: Parmelina tiliacea (Hoffm.) Hale
When: 2011-08-31
Collection location: Sintra, Portugal [Click for map]
Who: zaca
No herbarium specimen

Notes: Despite of the name, Parmelina tiliacea, also grows on siliceous rocks, which is the case of this specimen. It seems to me that the isidia is brown, contrary to P. pastillifera where it is (more) blackish and is not “peltrate” as in this species.

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I don’t know many details, but …
By: zaca
2011-09-08 15:05:36 PDT (-0700)

as far as I could see there are some differences in a) isidia – not branched in Parmelina tiliacea and branched in Parmelinopsis minarum; b) rhizines – simple in P. tiliacea and simple to sparingly furcate in P. minarum. There are others that I don’t know how to describe. In the monograph of Hale P. minarum appears under the name of Parmelia dissecta. Maybe you can see there the details.

Another species we don’t have in N. Amer.
By: Jason Hollinger (jason)
2011-09-08 14:18:20 PDT (-0700)

Do you know how it differs from Parmelinopsis minarum?

Created: 2011-09-08 14:07:56 PDT (-0700)
Last modified: 2011-09-08 14:07:58 PDT (-0700)
Viewed: 50 times, last viewed: 2016-10-27 10:43:14 PDT (-0700)
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