Keywords: Mustard Powder Lichen sycamore.JPG en Was named as Mustard Powder Lichen on Sycamore bark Eglinton Country Park North Ayrshire Scotland but misidentified correct identity is Trentepohlia sp green alga with orange pigment Chlorophyta order Trentepohliales Own Rosser1954 Roger Griffith 2009-01-13 Acer pseudoplatanus |