Lobaria scrobiculata (images of British lichens)

Thallus lobes large, upper surfaces deep blue-grey when wet, drying yellowish grey-buff, weakly and sometimes scarcely ridged, with rounded, blue-grey soralia, underside with a reticulate pattern of pale brown tomentum, differs from other British Lobaria species in having a cyanobacterial main photobiont. On deciduous tree bark, rarely mossy rocks, coastal and in old forest, restricted to unpolluted areas in the north and west, formerly more widespread.

Refs: Smith et al. (2009), 562; Purvis et al. (1992), 362; Dobson (2005), 255-256 (photo); Dobson (2011), 262 (photo, poorly printed); Jahns (1983), 242-243 (photo); Nordic Lichen Flora (2007) 3: 80-1, 188 (photo); van Haluwyn et al. (2009), 82-3 (photo); Wirth (1995), 2: 559-561 (photo); Frahm et al. (2010), 114 (photo); Moberg & Holmåson (1984), 182 (photo); Holien & Tønsberg (2008), 113 (photo); Arup et al. (1997), 188 (photo); Hansen & Andersen (1995), 41; Brodo et al. (2001), 421 (photo); McCune & Geiser (2009), 193 (photo); Lichen Atlas of the British Isles 3: 858 (1998).

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Images of British Lichens