Family: Trichome (filamentous structure) lacks heterocysts; with equal diameter throughout whole length; no hair-like structure; no branching.
Genus: A single trichome within a rigid sheath; sheath clear or yellowish; filaments planktonic or agglutinated (Illustrations of The Japanese Fresh-water Algae, 1977).
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L. confervoides
trichome straight
19 μm diam.
Japan, 199?
L. confervoides
or Oscillatoria ?
trichome straight
19 μm diam.
Saitama, 2000
Lyngbya sp.
trichome straight
6 μm diam.
Japan, 1999
Lyngbya sp. ?
trichome straight
2 μm diam.
Japan, 199?
Lyngbya sp. ?
trichome straight
1.5 μm diam.
Japan, 199?
Lyngbya sp.
6 μm diam.
Japan, 1999
Lyngbya sp. ?
or Phormidium ?
trichome wavy
3 μm diam.
Kashiwa
Chiba, 2002
Lyngbya sp. ?
μm diam.
Maeda
Furukawa
Miyagi, 2003
L. putealis
v. minor ?
μm diam.
Kejo-numa
Furukawa
Miyagi, 2003
