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 Polypodium retroflexum Linnaeus , Species Plantarum 2 : 1089. 1753 . "Habitat in America." RCN: 7890. Lectotype (Proctor & Lourteig in Bradea 5: 385. 1990): [icon] "Filicula alis inferioribus pendulis" in Petiver, Pteri-graphia Amer.: 72, t. 1, f. 9. 1712. Current name: Thelypteris retroflexa (L.) Proctor & Lourteig ( Thelypteridaceae ).