Chapter 7: Linnaean Plant Names and their Types (part R) 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 785 805 book chapter https://doi.org/10.5281/zenodo.291971 978-0-9506207-7-0 291971 Rhamnus frangula Linnaeus var. laevifolia Linnaeus , Species Plantarum 1 : 193. 1753 . RCN: 1563. Type not designated. Original material: none traced. Current name: Frangula alnus Mill. ( Rhamnaceae ). Note: Varietal epithet spelled "laevifolius" in the protologue.