Order: Lecanorales       Family: Parmeliaceae Species: Parmotrema pseudoreticulatum Growth type: Foliose Photos: On Malus branches. Carrons, Co. Limerick, Ireland Thicker thallus than P. reticulatum with a thickened margin and a broad marginal zone without rhizines. The reticulation may be reduced to spots or blotches, particularly in young specimens. Thin upright lobes with capitate soralia are absent. Distribution currently unknown but recorded from Ireland, Scotland and England. Cortex K+ yellow. Medulla K+ yellow > red, C-, KC+/- red, P+ orange-red, UV- Similar: Parmotrema reticulatum and P. perlatum.

Parmotrema pseudoreticulatum. Carrons, Co. Limerick. September 2019