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 Pisum sativum Linnaeus var. quadratum Linnaeus , Species Plantarum 2 :727. 1753 . RCN: 5372. Type not designated. Original material: Herb. Burser XIX: 57 ( UPS ) . Current name: Pisum sp . ( Fabaceae : Faboideae ). Note: The application of this name is uncertain.