Lonicera maximowiczii subsp. sachalinensis
Lonicera okamotoana Xylosteon maximowiczii Caprifolium maximowiczii Lonicera maximowiczii var. sachalinensis Lonicera maximowiczii var. latifolia Lonicera maximowiczii var. okamotoana Lonicera maximowiczii var. stenophylla
World Flora Online, accessed June 20, 2024