[12] This was prompted by reclassification under the Saccharina genus by Lane et al., 2006, though this was later reversed back to Kjellmaniella by Starko et al., 2019, cowritten by Yotsukura.

[2][7] In the waters around Japan, the seaweed grows from southern Hokkaido down to the northern coasts of Shimokita Peninsula in Aomori Prefecture.

[15] It occupies subtidal or sublittoral habitats[16][17] similar to kombu but in deeper waters,[18] found anchored to rocky substrates by its holdfast connected to the stipe.

[14] A rice dish called kagome meshi (かごめ飯) was developed in a collaborative effort for Hakodate city, as a new signature food item.

[16] In Hakodate, during the COVID-19 scare, gagome-kombu candy drops were freely distributed, with a costumed person dressed up as yuru-chara mascot Kagomeman (カゴメマン), designed by Prof. Hajime Yasui of Hokkaido U., participating in the handing-out.