Polystichum triangulum (L.)

Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part P), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 718-782 : 763

Polypodium triangulum Linnaeus , Species Plantarum 2: 1088. 1753.

"Habitat in America." RCN: 7882.

Lectotype (Morton in Bot. J. Linn. Soc. 60: 67. 1967): [icon] "Trichomanes folio triangulo dentato" in Petiver, Pteri-graphia Amer.: 76, t. 1, f. 10. 1712.

Current name: Polystichum triangulum (L.) Fée ( Dryopteridaceae ).

Note: Morton treated the cited Petiver illustration as the type though noting that it had been redrawn from a Plumier plate, via which Morton interpreted it. However, the Plumier plate was not cited in the protologue of this name.