Chapter 7: Linnaean Plant Names and their Types (part U) 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 906 910 book chapter https://doi.org/10.5281/zenodo.291971 978-0-9506207-7-0 291971 Ulva labyrinthiformis Linnaeus , Species Plantarum , ed. 2, 2 : 1633. 1763 . "Habitat in Thermis Patavinis gradu caloris 49, pulchre arei incisa cum descriptione a Vandellio." RCN: 8371. Lectotype (Pentecost in Spencer & al. in Taxon , in press): [icon] " Ulva thermalis valvulosa, erecta simplex, capitulo subrotundo " in Vandelli, Tract. Therm. Agri Patav.: 215, t. 2. 1761. Current name: Spirulina labyrinthiformis Gomont ( Spirulinaceae ). Note: Specific epithet spelled "labyrintiformis" in the protologue. This name relates to a member of the algae that has a post-1753 Starting Point ( Nostocaceae Homocysteae - Art. 13.1 (e) and which therefore has no nomenclatural standing (see Spencer & al. (in Taxon , in press).