Dermatocarpon luridum A12317

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Dermatocarpon luridum, thallus section treated with iodine to show the I+ red medulla. Collection from streamside rocks, VC1 W Cornwall.

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