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.


Gomphonema johnsonii

L.L.Bahls 2013      Category: Asymmetrical biraphid

Gomphonema insularum


Gomphonema kobayasii

LM scalebar = 10 ┬Ám

Slide Number: MDC 42-2

Site ID: MDC 500301

Site Name: Spring on Road 1900482, Willamette National Forest, OR

Latitude: 44.1342

Longitude: -122.2286

Contributor: Loren Bahls - April 2013