Verrucaria maura (images of British lichens)

Thallus extensive, black, cracked-areolate, matt and minutely dotted; perithecia up to half-projecting above the surfaces of the areoles, conical. Often dominant on coastal rocks, forming a zone at and above the high water mark, very common except in the south east.

Refs: Smith et al. (2009), 951; Purvis et al. (1992), 639; Orange (2008); Dobson (2005), 450-1 (photo); Dobson (2011), 457 (photo); Whelan (2011), 150 (photo); van Herk & Aptroot (2004), 384-5 (photo); Moberg & Holmåson (1984), 215 (photo); Brodo et al. (2001), 728 (photo); Thomson (1997), 638.

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Images of British Lichens