Template:Hooker, 1833
- Hooker, W.J. 1833. Algae. Div. I. Inarticulatae. In: English Flora of Sir James Edward Smith. Class XXIV. Cryptogamia. Vol. V. (or Vol. II of Dr. Hooker's British flora). Part I. Comprising the Mosses, Hepaticae, Lichens, Characeae and Algae. (Hooker, W.J. Eds), pp. 254–263; 268–326. London: Longman, Brown, Green & Longmans. BHL