Lonicera caerulea subsp. baltica Lonicera baltica Lonicera altaica subsp. subarctica Lonicera turczaninowii Lonicera subarctica Lonicera caerulea subsp. subarctica Lonicera edulis var. turczaninowii Lonicera pallasii Lonicera caerulea var. pallasii Lonicera caerulea var. baltica
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024