Gmelin J. G. Flora Sibirica sive Historia plantarum Sibiriae. T. 2. - Petropoli : Ex Typographia Academiae Scientiarum, 1749. - [2], XXIV, 240, [8] p., [98] l. fig.. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000438981