Parmeliopsis ambiLam1.jpg

Creative Commons Licence

Parmeliopsis ambigua, growing on a sandstone gravestone in VC 16, West Kent. Xanthoparmelia mougeotii is more typical of this habitat and is very similar in appearance, though slightly more glossy and with K+ and Pd+ medullary reactions. The medulla of P. ambigua is C-, K-, KC-, Pd- (and UV+ glaucous white).

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith