$a Kp. The ladyslipper and I / G. Ledyard Stebbins ; ed. by Victoria C. Hollowell, Vassiliki Betty Smocovitis, Eileen P. Duggan ; forew. by Vassiliki Betty Smocovitis ; Missouri Botanical Garden [et al.]. - [St. Louis], 2007.
670
$a Osoki (Carex L.) Rossii i sopredel'nyh gosudarstv / T. V. Egorova. - Sankt-Peterburg, 1999. $b (Missurijskij botaničeskij sad)