Restoration of the population of Trapa natans (Trapaceae) in the flood-plane lake of the Khoper river.

摘要

Information on the restoration of populations of Trapa natans from seed banks in one of the floodplain reservoirs of the Khoper river, Russia, is presented. Populations of this species had previously declined in some sites and totally disappeared inothers due to displacement by Stratiotes aloides.