Identification Please:
Found on Hawthorn (Crataegus monogyna), initially thought it was a gall wasp of some kind. On further investigation, it looks like a fungus. Really stuck. Willaston Meadow.
Mike G.
Identification Please
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Re: Identification Please
Mike,
I think it could be the rust fungus Gymnosporangium clavariiforme which uses two hosts to complete it's life-cycle, juniper and hawthorn. The tufts in your photo are tubes that release fungal spores.
John
I think it could be the rust fungus Gymnosporangium clavariiforme which uses two hosts to complete it's life-cycle, juniper and hawthorn. The tufts in your photo are tubes that release fungal spores.
John
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Re: Identification Please
Excellent, thanks.
Mike G.
Mike G.
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Re: Identification Please
Yes, Tongues of Fire (Gymnosporangium clavariiforme) - often found on the underside of leaves of Hawthorn, there being a dark reddish brown mark showing on the top surface of the leaf - see here: https://www.naturespot.org.uk/species/tongues-fire
Steve
Steve