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| Verrucaria viridula section |
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| Verrucaria viridula ascus |
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| Verrucaria viridula |
Friday 24 April 2015
Verrucaria viridula
A new lichen for me found in the local churchyard. I had trouble keying this one out by failing to find the involucrellum at the top half of the exciple near the ostiole. The spores measured 27.5µm which eliminates many of the Verrucaria species as does the habitat.
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