Peltigera didactyla (images of British lichens)

A neat but inconspicuous species, with rosettes of relatively small, rounded to ovate lobes, grey-green above, drying ash grey, pubescent at least near the margins, young lobes with laminar soralia that later vanish, underside with pale to brownish veins and rhizines; apothecia brown, held on erect lobes. Throughout Britain on soil and bare ground.

Refs: Vitikainen (1994) 37-41 (photo); Smith et al. (2009), 668; Purvis et al. (1992), 445; Dobson (2005), 316 (photo); Dobson (2011), 317 (photo); Jahns (1983), 240-1 (photos, as P. spuria); van Herk & Aptroot (2004), 282-283 (photo); Nordic Lichen Flora (2007) 3: 117, 194 (photo); Moberg & Holmåson (1984), 178 (photo, as P. spuria); Wirth (1995), 2: 679-80, 683 (photo); Hansen & Anderson (1995), 49 (photo); Brodo et al. (2001), 507-9 (photo); Hinds & Hinds (2007), 360-1 (photos); Walewski (2007), 34 (photo); McCune & Geiser (2009), 240 & 246 (photos).

lastdragon.org

Images of British Lichens