Navicula libonensis is larger and has obtusely rounded apices. Navicula cryptotenella has a smaller central area that is typically bordered by short-long-short striae on one or both sides. The ends of N. veneta are weakly protracted and somewhat wedge-shaped.

LM scalebar = 10 µm
Navicula staffordiae LM6 Navicula staffordiae LM5 Navicula staffordiae LM4 Navicula staffordiae LM3 Navicula staffordiae LM2 Navicula staffordiae LM1
Length Range
17-33 µm
Width Range
4.7-6.3 µm
Striae in 10 µm

Navicula libonensis

Schoeman 1969

Gs138229  Nalib3 Navicula libonensis LM3 Gs138229  Nalib1 Gs138229  Nalib2 Navicula libonensis LM2 Navicula libonensis LM1
Length Range
27-35 µm
Width Range
5.9-7.0 µm
Striae in 10 µm

Navicula veneta

Kütz. 1844

Gc112144  Nrsa0167  Naven4 Gc112144  Nrsa0167  Naven7 Gc112144  Nrsa0167  Naven1 Gc112144  Nrsa0167  Naven5 Gc112144  Nrsa0167  Naven6 Gc112144  Nrsa0167  Naven3 Gc112144  Nrsa0167  Naven2
Length Range
17-26 µm
Width Range
4.4-5.3 µm
Striae in 10 µm
14-15 in the center valve

Also compare to

Navicula cryptotenella

Lange-Bert. in Krammer and Lange-Bert.

BioData Reference
Lange-Bertalot 2001 Pl 26 Fig 17-23