Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
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Pam, your field observation and recording of C. pyxidata, with its greyish-green cup shaped fruit bodies with a granular texture, borne on short stalks and found on heaths and rotting woods, and by checking out with a good field guide is as close an ID as I could get too. Mycologists who could follow it up with a microscopic examination of the lichen would ID it with a greater degree of certainty. Regards
Thank you so much for your response and efforts on my behalf. The lichen was growing on an ash tree trunk. Does that square with what you would expect of this particular lichenised fungi?
Yes if it is abundant around the bases of old tree trunks and on dead stumps and old fence posts: also on rockery stones and bare ground, including lightly-used gravel paths. Throughout Europe.
Thanks. It was actually on the trunk of a very much alive tree, along with several other lichens. I've never seen this particular lichen before.
Both appearance and habitat are wrong for C. pyxidata.
Below is a link to photographs and details of C. pyxidata on AlanS's website for comparison with your photo's:
"by checking out with a good field guide is as close an ID as I could get too"
Just out of interest which field guide were you using?
Hello Jenny, thanks for your interest in this ID. The field guide in question is Collins Complete Guide to British Mushrooms and Toadstools. Pam's photo matches the one in the field guide. However, having viewed AlanS' website and the diversity of species for comparison then C. fimbriata is also a close ID. What and where next? Regards
As the cover says that Collins field guide is for 'British Mushrooms and Toadstools' - its hopeless for lichen IDs!
If you've a serious interest in identifying lichen you need Dobsons 'Lichens' - the question then is which edition .....
See this 'Fungi and Lichen' forum post: http://www.ispot.org.uk/node/226442
I agree with you for those who wish to develop a serious interest in lichens then F.S. Dobson's 'Lichens ...' is a key guidebook. However, its hardback/paperback versions and new or used prices make it an expensive option for beginners or improvers. I shall see if the Museum library or Record Centre have a copy. Also, Pam's ID is still pending verification. Regards
Many thanks for your comments and interest.I'm still no nearer, but have found your discussion interesting. And I have found yet more of whatever it is on my walks today!!
Well done Pam; nice to see you haven't lost interest in Lichen - sometimes these verifications take a while to determine and confirm. Regards
Thanks for your encouragement! I have today found a copy of 'Common British Lichens' which I've had for donkey's years - I think when I was going through a phase of using plants to dye with (yes, I know....) It's by Frank Dobson, and it has Cladonia in it, tho' not my example. But I can't believe it's not a species of C. Shan't give up 'til I know for sure!
Many thanks, Alan. I'm glad that I was 'in the right ball park', as they say, and even more glad that you have been able to identify the species for me.
Lat/Lng: 53.6408, -2.34931
OS grid ref: SD770160
Actual location was on grasslasnd ridge above the wood, quite exposed.