A. Aptroot and F. Schumm 2011: Fruticose Roccellaceae: an anatomical-microscopical atlas and guide with a worldwide key and further notes on some crustose Roccellaceae or similar lichens. - Published by Felix Schumm. 380 pp. [RLL List # 222 / Rec.# 32592] Abstract: [Includes color plates with ca. 780 pictures. Treats: Roccella, Roccellina, Dirina Combea, Coronoplectrum, Dolichocarpus, Gorgadesia, Hubbsia, Ingaderia, Pentagenella, Roccellinastrum, Santessonia, Schizopelte, Simonyella, and Siphula.]