Synopsis filicum; or, A synopsis of all known ferns, including the Osmundaceæ, Schizæsveæ, Marattiaceæ, and Ophioglossaceæ (chiefly derived from the Kew herbarium) - Hooker, William Jackson, Sir,; Baker, John Gilbert, (London, R. Hardwicke, 1868)
https://www.biodiversitylibrary.org/bibliography/30057
Keywords: Ferns|