Polypodium spinosum Linnaeus , Species Plantarum 2 : 1092. 1753 Chapter 7: Linnaean Plant Names and their Types (part P) Jarvis, Charlie (L.) Desv. Desv. Linnaeus 1753 Polypodiopsida Pteridaceae Pteris Plantae Polypodiales Tracheophyta species spinosa      Polypodium spinosumLinnaeus,  Species Plantarum2: 1092. 1753.  "Habitat in America meridionali." RCN: 7911.  Type not designated.  Original material: Herb. Linn. No. 1251.57 ( LINN); [icon] in Plumier, TraiteFoug. Amer.: 4, t. 3. 1705; [icon] in Petiver, Pterigraphia Amer.: 42, t. 4, f. 1. 1712; [icon] in Plumier, Descr. Pl. Amer.: 3, t. 3. 1693. 2611900433 LINN 1251.57