Chapter 7: Linnaean Plant Names and their Types (part S) 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 806 877 book chapter https://doi.org/10.5281/zenodo.291971 978-0-9506207-7-0 291971 Sempervivum arachnoideum Linnaeus , Species Plantarum 1 : 465. 1753 . "Habitat in Alpibus Italiae, Helvetiae." RCN: 3563. Lectotype (Letz & Marhold in Taxon 45: 113. 1996): Herb. Clifford: 180, Sempervivum 5 ( BM ) . - Epitype (Letz & Marhold in Taxon 45: 113. 1996): Austria. Nord-Tirol, 18 August 1902, Handel-Mazzetti s.n. [as S. doellianum ] (WU). Current name: Sempervivum arachnoideum L. ( Crassulaceae ).