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Identification Please
Posted: Tue Jul 10, 2012 12:02 pm
by mikegriffiths
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.
Re: Identification Please
Posted: Sat Sep 29, 2012 9:33 pm
by johnmcgaw
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
Re: Identification Please
Posted: Wed Oct 03, 2012 2:51 pm
by mikegriffiths
Excellent, thanks.
Mike G.
Re: Identification Please
Posted: Thu Sep 06, 2018 10:47 pm
by SteveMcBill
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