Map showing the known distribution in Japan of D. × kanayamaense = Red circle and D. × tsukushiense = Blue circle.

 
 
  Part of: Hori K, Kanemitsu H (2021) Two new hybrids of the genus Diplazium (Athyriaceae) from Japan. PhytoKeys 172: 39-55. https://doi.org/10.3897/phytokeys.172.60660