| Cell body tapered toward the ends | 
|   K. lunaris
 terminal rounded
 cell 17 x 2.3 μm
 Abiko
 Chiba, 2000
 |   K. lunaris
 terminal rounded
 x 3 μm
 Nishi-nasuno
 Tochigi, 2001
 |   K. lunaris
 terminal rounded
 15 x 5 μm
 Japan, 1997
 |   K. lunaris
 15 x 4 μm
 terminal rounded ?
 Kiyose
 Tokyo, 2001
 | 
|   K. lunaris
 14 x 3 μm
 Kosugi
 Toyama, 2002
 |   K. lunaris
 20 x 4 μm
 Kawashima
 or Kawajima
 Saitama, 2002
 |   K. lunaris
 x 5 μm
 terminal tapered
 Abiko
 Chiba, 2000
 |   K. lunaris
 terminal tapered
 x 3 μm
 Japan, 2000
 | 
|   K. lunaris
 terminal tapered
 x 4-5 μm
 near Yamaguchi Univ.
 Yamaguchi, 2004
 |   K. lunaris ?
 Selenastrum ?
 terminal tapered
 18 x 5.5 μm
 Mizumoto Park
 Tokyo, 2001
 |   K. lunaris ?
 Selenastrum ?
 terminal tapered
 20 x 5 μm
 Kawagoe
 Saitama, 2002
 |   K. lunaris ?
 μm
 Chiba-Minato Park
 Chiba, 2003
 | 
|   K. lunaris ?
 18-28 x 3-6 μm
 Iruma river
 Kawagoe
 Saitama, 2004
 |   K. lunaris ?
 17 x 4 μm
 water reservoir
 near Yamaguchi Univ.
 Yamaguchi, 2004
 |   K. lunaris ?
 Selenastrum ?
 30 x 7 μm
 Imou bog
 Toyohashi
 Aichi, 2004
 |   K. lunaris ?
 Selenastrum ?
 30 x 7 μm
 Kabuto-yama
 Nishi-no-miya
 Hyogo, 2004
 | 
|   K. lunaris ?
 13 x 3 μm
 Tane-ike
 Togakushi highland
 Nagano, 2005
 |   K. lunaris ?
 18 x 5 μm
 Hasu-ike
 Shiga highland
 Nagano, 2005
 |   K. lunaris
 20 x 4 μm
 Futayo-no-ike
 Haguro mountain
 Yamagata, 2005
 |   K. lunaris
 μm
 near Omine mt.
 Minakami
 Gunma, 2007
 
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