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S. G.  Aiken, Lefkovitch, L. P., Gardiner, S. E., and Mitchell, W. W., ?Evidence against the existence of varieties in Arctagrostis latifolia ssp. arundinacea (Poaceae)?, Canadian Journal of Botany, vol. 72, pp. 1039-1050, 1994.

A. K.  Brysting, Aiken, S. G., Lefkovitch, L. P., and Boles, R. L., ?Dupontia (Poaceae) in North America?, Canadian Journal of Botany, vol. 81, pp. 769-779, 2003.

K. I.  McLachlan, Aiken, S. G., Lefkovitch, L. P., and Edlund, S. A., ?Grasses of the Queen Elizabeth Islands?, Can. J. Bot, vol. 67, pp. 2088-2105, 1989.

S. G.  Aiken and Lefkovitch, L. P., ?Arctagrostis (Poaceae, tribe Pooideae) in North America and Greenland?, Canadian Journal of Botany, vol. 68, pp. 2422-2432, 1990.

S. G.  Aiken and Lefkovitch, L. P., ?The taxonomic value of using epidermal characteristics in the Canadian rough fescue complex (Festuca altaica, F. campestris, F. hallii,«F. scabrella»)?, Canadian Journal of Botany, vol. 62, pp. 1864-1870, 1984.

S. G.  Aiken, Darbyshire, S. J., and Lefkovitch, L. P., ?Restricted taxonomic value of leaf sections in Canadian narrow-leaved Festuca (Poaceae)?, Can. J. Bot, vol. 63, pp. 995-1007, 1985.

L.  Watson, Aiken, S. G., Dallwitz, M. J., Lefkovitch, L. P., and Dube, M., ?Canadian grass genera: keys and descriptions in English and French from an automated data bank?, Can. J. Bot, vol. 64, pp. 53-70, 1986.

S. G.  Aiken, Lefkovitch, L. P., Darbyshire, S. J., and Armstrong, K. C., ?Vegetative proliferation in inflorescences of red fescue (Festuca rubra sl, Poaceae)?, Canadian Journal of Botany, vol. 66, pp. 1-10, 1988.