Visit us at

Diatoms of the United States is now known as Diatoms of North America.
This site has been redesigned and updated, and will be closing soon.


Achnanthidium atomus

(Hust.) Monnier, Lange-Bert. and Ector 2004      Category: Monoraphid
BASIONYM: Achnanthes atomus

Achnanthidium alpestre


Achnanthidium deflexum

LM scalebar = 10 ┬Ám

Slide Number: ANSP VA000022

Site ID: VAEQ99-437_1

Site Name: Peak Creek, VA

Latitude: 37.04755

Longitude: -80.727471

Caption: raphe valve

Notes: image by Karin Ponader

Contributor: Marina Potapova - May 2010