Colorado River in Glen Canyon:
Symmetric Biraphid Diatoms I - N

Luticola cf. mutica (Kützing) D.G.Mann

Mastogloia albertii Pavlov et al.

Navicula antonii Lange-Bert.

Navicula cf.cari Ehrenb.

Navicula cryptocephala Kütz.

Navicula cryptotenella Lange-Bert.

Navicula gregaria Donkin

Navicula kotschyi Grunow

Navicula cf. kotschyi Grunow

Navicula oppugnata Hust.

Navicula rradiosa Kütz.

Navicula radiosafalax Lange-Bert.

Navicula recens Lange-Bert.

Navicula reinhardtii (Grunow) Grunow

Navicula cf. rostellata Kütz.