Thelidium incavatum 2.jpg

Creative Commons Licence

Thelidium incavatum, in the upper half of the image, with T. decipiens below. Although these two species are not reliably identified in the field, T. decipiens usually has a slightly thicker lithocortex. Here it is seen to be slightly raised above the T. incavatum and has a more creamy colour.

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