@article {173, title = {On the separation of two species within Festuca subg. Obtusae (Poaceae)}, journal = {Taxon}, volume = {42}, number = {2}, year = {1993}, pages = {323-337}, isbn = {0040-0262}, author = {Aiken, S. G. and Lefkovitch, L.P.} } @article {175, title = {Evidence against the existence of varieties in Arctagrostis latifolia ssp. arundinacea (Poaceae)}, journal = {Canadian Journal of Botany}, volume = {72}, number = {7}, year = {1994}, pages = {1039-1050}, isbn = {1480-3305}, author = {Aiken, S. G. and Lefkovitch, L.P. and Gardiner, SE and Mitchell, WW} } @article {184, title = {Dupontia (Poaceae) in North America}, journal = {Canadian Journal of Botany}, volume = {81}, number = {8}, year = {2003}, pages = {769-779}, isbn = {0008-4026}, author = {Brysting, A. K. and Aiken, S. G. and Lefkovitch, L.P. and Boles, RL} } @article {167, title = {Grasses of the Queen Elizabeth Islands}, journal = {Can. J. Bot}, volume = {67}, year = {1989}, pages = {2088-2105}, keywords = {Arctic floristics}, author = {McLachlan, KI and Aiken, S. G. and Lefkovitch, L.P. and Edlund, S.A.} } @article {168, title = {Arctagrostis (Poaceae, tribe Pooideae) in North America and Greenland}, journal = {Canadian Journal of Botany}, volume = {68}, number = {11}, year = {1990}, pages = {2422-2432}, isbn = {1480-3305}, author = {Aiken, S. G. and Lefkovitch, L.P.} } @article {163, title = {The taxonomic value of using epidermal characteristics in the Canadian rough fescue complex (Festuca altaica, F. campestris, F. hallii,{\guillemotleft}F. scabrella{\guillemotright})}, journal = {Canadian Journal of Botany}, volume = {62}, number = {9}, year = {1984}, pages = {1864-1870}, isbn = {0008-4026}, author = {Aiken, S. G. and Lefkovitch, L.P.} } @article {164, title = {Restricted taxonomic value of leaf sections in Canadian narrow-leaved Festuca (Poaceae)}, journal = {Can. J. Bot}, volume = {63}, year = {1985}, pages = {995-1007}, author = {Aiken, S. G. and Darbyshire, SJ and Lefkovitch, L.P.} } @article {165, title = {Canadian grass genera: keys and descriptions in English and French from an automated data bank}, journal = {Can. J. Bot}, volume = {64}, year = {1986}, pages = {53-70}, author = {Watson, L. and Aiken, S. G. and Dallwitz, M. J. and Lefkovitch, L.P. and Dube, M.} } @article {166, title = {Vegetative proliferation in inflorescences of red fescue (Festuca rubra sl, Poaceae)}, journal = {Canadian Journal of Botany}, volume = {66}, number = {1}, year = {1988}, pages = {1-10}, isbn = {0008-4026}, author = {Aiken, S. G. and Lefkovitch, L.P. and Darbyshire, SJ and Armstrong, KC} }