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Post by Tringa on Dec 14, 2020 15:17:01 GMT
There is quite a lot of this on one part of our roof but until today, when I was on a ladder clearing leaves from one of the gutters, I could not get a close look.
It is about 10cm in diameter. The roof faces west but is on south side of the house so gets very hot in the summer.
Is this a species of Xanthoria?
Thanks
Dave
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Post by aeshna5 on Dec 14, 2020 17:35:04 GMT
Think it is a Xanthoria which are quite common on roof tops-especially when fertilised by bird droppings!
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Post by ianr on Dec 15, 2020 6:55:04 GMT
Like the picture Dave  ian |
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Post by Tringa on Dec 15, 2020 9:10:49 GMT
Thanks Aeshna. The are no obvious bird droppings but I assume parts of them dissolve in the rain. We also have a fair bit of moss which is odd given the orientation of the roof, but we have had a lot of rain in the last couple of months.
Thanks Ian, as with most of my photos a lot of luck was involved and the bright low sunshine.
Dave
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Post by rowanberry on Dec 15, 2020 9:37:27 GMT
Agree, it's a great photo- nice vibrant colours!
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