N. N.  Tzvelev, ?Gramineae?, in Arkticheskaya Flora SSSR (Flora Arctica URSS), vol. II, A. I.  Tolmachev, Ed. USSR Academy of Sciences, V.I. Komarov Botanical Institute, 1964.

D. B. O.  Savile and Parmelee, J. A., ?Parasitic fungi of the Queen Elizabeth Islands?, Canadian Journal of Botany, vol. 42, pp. 699-722, 1964.

D. B. O.  Savile, ?General ecology and vascular plants of the Hazen Camp area?, Arctic, vol. 17, p. 237, 1964.

I. A.  McLaren, ?A list of vascular plants from around Ogac Lake, south coast of Frobisher Bay, N.W.T.?, Canadian Field Naturalist, vol. 78, pp. 70-77, 1964.

A. E.  Porsild, The Vascular Plants of the Western Canadian Arctic Archipelago, vol. 135. Ottawa: National Museum of Canada, 1964.

E.  Hulten, The Circumpolar Plants II. Stockholm: Almqvist and Wiksell, 1964.

E.  Hulten, The Circumpolar Plants I. Stockholm: Almqvist and Wiksell, 1964.