Chapter 7: Linnaean Plant Names and their Types (part L) Author Jarvis, Charlie Department of Botany, Natural History Museum, Cromwell Road, London, UK text 2007 Linnaean Society of London in association with the Natural History Museum London Order out of Chaos. Linnaean Plant Types and their Types 610 650 book chapter https://doi.org/10.5281/zenodo.291971 978-0-9506207-7-0 291971 Lichen polyrhizos Linnaeus, Species Plantarum 2 : 1151. 1753. "Habitat in Arvoniae, Sveciae rupibus apricis elatis. rupestris." RCN: 8229. Lectotype ( Jorgensen & al. in Bot. J. Linn. Soc. 115: 340, 379. 1994): [icon] " Lichenoides pullum superne & glabrum, inferne nigrum & cirrosum" in Dillenius, Hist. Musc.: 226, t. 30, f. 130. 1741. - Epitype ( Jorgensen & al. in Bot. J. Linn. Soc. 115: 340, 379. 1994): Herb. Dillenius Tab. XXX, No. 129, largest specimen ( OXF ) . Current name: Umbilicaria polyrhiza ( L.) Fr. (Umbiliculariaceae).