File:Pyxine sorediata (Ach.) Mont 227790.jpg
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[edit]DescriptionPyxine sorediata (Ach.) Mont 227790.jpg |
Pyxine sorediata (Ach.) Mont. Image location: Jamor, Oeiras, Portugal As I mentioned in other observations some coincidences may happen when looking for lichens. This particular species, the unique of the genus Pyxine I encountered up to now, I saw before half a dozens of times, say. This particular day I observed it twice in two different places, separated by more than 1 Km. At the 2nd place I also observed (what I believe to be) another species of Pyxine. A special reference to the underside: mostly black and near the margin becomes whitish and some bluish tons, surrounding the margin. This is mentioned to happen in this genus, according to the reference . Also to mention that both this specimen and the one in observation 97305 have plently of brown dots on the thallus: I don’t know if these are pycnidia (according to the reference the pycnidia in this species is immersed) or some parasite. Used references: CNALH.
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This file, which was originally posted to
https://mushroomobserver.org/image/show_image/227790, was reviewed on 22 August 2018 by reviewer Leoboudv, who confirmed that it was available there under the stated license on that date.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:59, 22 August 2018 | 3,292 × 2,469 (3.04 MB) | Christian Ferrer (talk | contribs) | {{Information |Description='''''Pyxine sorediata''''' (Ach.) Mont. Image location: Jamor, Oeiras, Portugal As I mentioned in other observations some coincidences may happen when looking for lichens. This particular species, the unique of the genus [http://mushroomobserver.org/observer/lookup_name/Pyxine ''Pyxine''] I encountered up to now, I saw before half a dozens of times, say. This particular day I observed it twice in two different places, separated by more than 1 Km. At the 2nd place... |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A480 |
Exposure time | 1/80 sec (0.0125) |
F-number | f/3 |
ISO speed rating | 125 |
Date and time of data generation | 14:15, 13 June 2012 |
Lens focal length | 6.6 mm |
File change date and time | 14:15, 13 June 2012 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 14:15, 13 June 2012 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 6.3125 |
APEX aperture | 3.15625 |
APEX exposure bias | 0 |
Maximum land aperture | 3.15625 APEX (f/2.99) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 15,136.929460581 |
Focal plane Y resolution | 15,116.022099448 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |