He lived about a year in Krasnoyarsk and work on monographs "Journey in various provinces of the Russian Empire," "Description of plants of the Russian state," "Russian-Asian zoogeography."
他在克拉斯诺亚尔斯克住了一年，从事专著《俄罗斯帝国各个省份的旅行》、《俄罗斯国家的植物描述》、《俄罗斯-亚洲动物地理学》。