Chapter 7: Linnaean Plant Names and their Types (part P) 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 718 782 book chapter https://doi.org/10.5281/zenodo.291971 978-0-9506207-7-0 291971 Polygonum sagittatum Linnaeus , Species Plantarum 1 : 363. 1753 . "Habitat in Virginiae, Marilandiae madidis." RCN: 2871. Lectotype (Stearn, Introd. Linnaeus' Sp. Pl . (Ray Soc. ed.): 47. 1957): [icon] " Helxine caule erecto, aculeis reflexis exasperato " in Linnaeus, Hort. Cliff.: 151, t. 12. 1738. Current name: Persicaria sagittata (L.) H. Gross ( Polygonaceae ). Note: Reveal (in Bot. J. Linn. Soc . 92: 169. 1986) indicated a Clifford sheet (BM) as lectotype , but this choice is pre-dated by that of Stearn.