Navicula reinhardtii

(Grunow) Grunow 1880      Category: Symmetrical biraphid
BASIONYM: Stauroneis reinhardti Grunow 1860

Navicula reichardtiana


Navicula rhynchocephala

LM scalebar = 10 µm = 40 pixels.


Contributor: Loren Bahls - November 2011
Length Range: 34-48 µm
Width Range: 14.5-17.0 µm
Striae in 10 µm: 8-9


Valves are elliptical with broadly rounded ends. The axial area is narrow and the central area is transverse, formed by alternating short and long striae. The raphe is filiform and the raphe branches are nearly straight. Proximal raphe ends are straight, small and bulbous. The striae are wide and radiate, becoming nearly parallel at the ends. Areolae in the striae are coarse (23-24 in 10 microns) and easily distinguished in LM.

Original Description

Basionym: Stauroneis reinhardti
Author: Grunow 1860
Length Range: µm
Striae in 10 µm:

Original Description

Original Images

Cite This Page:
Bahls, L. (2011). Navicula reinhardtii. In Diatoms of the United States. Retrieved May 27, 2016, from

Species: Navicula reinhardtii

Contributor: Loren Bahls

Reviewer: Sarah Spaulding


Grunow, A. (1860). Uber neue oder ungenügend gekannte Algen. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wein, 10: 503-582.

Grunow, A. (1880). Bemerkungen zu den Diatomeen von Finnmark, dem Karischen Meere und vom Jenissey nebst Vorarbeiten für Monographie der Gattungen Nitzschia, Achnanthes, Pleurosigma, Amphiprora, Plagiotropis, Hyalodiscus, Podosira und einiger Navicula-Gruppen. Kongliga Svenska Vetenskaps-Akademiens Handligar, ser. 4, 17(2): 16-121; pls. I-VII.

Krammer, K. and Lange-Bertalot, H. (1986). Bacillariophyceae. 1. Teil: Naviculaceae. In: Ettl, H., J. Gerloff, H. Heynig and D. Mollenhauer (eds.) Susswasserflora von Mitteleuropa, Band 2/1. Gustav Fisher Verlag, Jena. 876 pp.

Lange-Bertalot, H. (2001). Navicula sensu stricto, 10 genera separated from Navicula sensu lato, Frustulia. Diatoms of Europe 2: 1-526.

Patrick, R.M. and Reimer, C.W. (1966). The Diatoms of the United States exclusive of Alaska and Hawaii, V. 1. Monographs of the Academy of Natural Sciences of Philadelphia 13.

Van Heurck, H. (1880). Synopsis des Diatomées de Belgique. Atlas. Ducaju & Cie., Anvers.

Links & ID's

Index Nominum Algarum (INA)

Original INA

California Academy of Sciences (CAS)

Navicula reinhardtii CAS

NCBI Genbank Taxonomy

Navicula reinhardtii NCBI

North American Diatom Ecological Database (NADED)

NADED ID: 46387

Autecology Discussion

Navicula reinhardtii has been collected from seven locations in the Northwest, all of them lakes or rivers below lakes and reservoirs. Four of these collections are from Montana with one each from Alberta, North Dakota, and South Dakota. The pH of these waters is 8.30-8.58 and specific conductance is 122-487 µS/cm. Patrick and Reimer (1966) report this species as widely distributed in fresh water of high mineral content or in slightly brackish water. Populations of Navicula reinhardtii are typically very small.


Bowman Lake, Glacier National Park, Montana: Home of Navicula reinhardtii.

Credit/Source: Loren Bahls