Family:
Scytonema Agardh 1824
Tolypothrix
T. tenuis
Onnenai
Kushiro marsh
Hokkaido, 2005
Tolypothrix sp. ?
Kashibaru marsh 3
Karatsu
Saga, 2006
Scytonema
S. coactile
Yukawa-numa
Nishiwaga
Iwate, 2007
Scytonema
S. coactile
Omine-numa
Minakami
Gunma, 2007