Encyclopédie méthodique. Botanique. Supplement - Poiret, Jean-Louis-Marie, 1755 -1834 (Agasse, 1810)

Index filicum: a synopsis, with characters, of the genera, and an enumeration of the species of ferns, with synonymes, references, &c., &c - Moore, Thomas, 1821 -1887 (W. Pamplin, 1857)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1938)