Images of British Lichens
Peltigera hymenina (Ach.) Delise ex Duby
(= P. lactucifolia (With.) Laundon; "P. polydactyla" auct.)
Upper surface of fresh thallus olive green to brown- or blue-grey, much darker when dry, smooth, slightly lustrous; lower surface brownish white, with ochre veins and pale, unbranched (though often frayed) rhizines; apothecia elongated, erect, on short extensions from the lobe margins. On tree-bases, rocks and in heathy turf, widespread, common in the north and west.
Refs: Smith et al. (2009), 669; Purvis et al. (1992), 445 (as P. lactucifolia); Dobson (2005), 317 (photo); Dobson (2011), 318 (photo); Allen (2007), 10 (photo); Whelan (2011), 125 (photo); Nordic Lichen Flora (2007) 3: 120, 194 (photo); Holien & Tønsberg (2008), 124 (photo); Stenroos et al. (2011), 323 (photo); Wirth (1995), 2: 678, 685 (photo); van Herk & Aptroot (2004, 2013), 284-285 (photo); Aptroot et al. (2011), 140-1 (photos); Wirth, Hauck & Schulz (2013), 2: 826, 831 (photo); Vitikainen (1994) 47-50 (photo).
Host to a number of lichenicolous fungi, including Arrhenia peltigerina, Arthonia fuscopurpurea.
|Heathy roadbank, Strathardle, Perthshire, April 2003|
|In coastal turf, Bettyhill, West Sutherland, August 2006|
|On mossy boulder in rough grass, Finlaystone, Renfrewshire, February 2009|
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© A.J. Silverside
Uploaded May 2008, last updated January 2014 (first hosted at www-biol.paisley.ac.uk, May 2007)