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A pioneer coloniser of wet rocks in small watercourses – especially those threading through long-established woodlands – V. denudata has a smooth, often translucent, pale green to brown thallus and rather sharp, conical black-tipped perithecia showing where the thallus cover has begun to erode. With a mean length of 21.5µm, the spores are on the small side. In Ireland, the species is local.
Original text submitted by Vince J. Giavarini
|Simms, M. J., (2016). Verrucaria denudata Zschacke (1927). [In] LichenIreland. |
http://www.habitas.org.uk/lichenireland/species.asp?item=20687 Accessed on 2016-07-27.