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Leptosphaeria acuta Nettle Rash
e6filmuser
Registered Users Posts: 3,378 Major grins
This is a disease of Stinging Nettles, Urtica dioica. It is something anyone can look for and find, mostly in the colder months but at any time.
It is caused by a tiny Ascomycete fungus, which forms black fruiting bodies on the stems. It is said that all populations of the nettle have it.
It is not to be confused with the mild human skin condition Urticaria, also known as hives, welts or nettle rash.
The aesthetic properties of this organism are limited. 
The first 3 images:
Olympus EM-1 (manual mode), Laowa 25mm f2.8 2.5x-5x ultra-macro at f11, twin TTL flash hand-held.
The last 3 images :
Olympus EM-1, (aperture priority), Olympus 4/3 50mm f2 macro, f8, f5.6, f5.6, hand-held.
Harold
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