File:Pertusaria amara (Ach.) Nyl 315695.jpg
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Summary
editDescriptionPertusaria amara (Ach.) Nyl 315695.jpg |
Pertusaria amara (Ach.) Nyl. Image location: Serra de Montejunto, Portugal Following the “British Flora”, this must be the rock living form of Pertusaria amara, called f. pulvinata, which differs from the usual form, living in trees, by having “the upper surface warted-papillate, the apices and ridges breaking down into small, elevated, punctiform soralia, never forming discrete round soralia”. Used references: British Flora: Smith et. al., The Lichens Of Great Britain and Ireland, The British Lichen Society, 2009.
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This file, which was originally posted to
https://mushroomobserver.org/image/show_image/315695, was reviewed on 27 August 2018 by reviewer Leoboudv, who confirmed that it was available there under the stated license on that date.
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:37, 27 August 2018 | 2,915 × 2,187 (2.07 MB) | Christian Ferrer (talk | contribs) | {{Information |Description='''''Pertusaria amara''''' (Ach.) Nyl. Image location: Serra de Montejunto, Portugal Following the “British Flora”, this must be the rock living form of [http://mushroomobserver.org/observer/lookup_name/Pertusaria+amara ''Pertusaria amara''], called [http://mushroomobserver.org/observer/lookup_name/Pertusaria+amara+f.+pulvinata ''f. pulvinata''], which differs from the usual form, living in trees, by having “the upper surface warted-papillate, th... |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
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Camera model | Canon PowerShot A480 |
Exposure time | 1/400 sec (0.0025) |
F-number | f/3 |
ISO speed rating | 80 |
Date and time of data generation | 12:41, 16 February 2013 |
Lens focal length | 6.6 mm |
Orientation | Normal |
File change date and time | 12:41, 16 February 2013 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 12:41, 16 February 2013 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 8.65625 |
APEX aperture | 3.15625 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 3.15625 APEX (f/2.99) |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
Digital zoom ratio | 1 |
White balance | Auto white balance |