Achnanthidium deflexum

(Reimer) Kingston 2003      Category: Monoraphid
BASIONYM: Achnanthes deflexa

Achnanthidium atomus


Achnanthidium druartii

SEM scalebar = 1 ┬Ám

Site ID: YELL0300ARE0001B

Site Name: Yellowstone River at Billings MT USGS 06214500

Latitude: 45.8

Longitude: -108.4667

Caption: Outside view of a raphe valve and part of a rapheless valve with girdle bands inside

Contributor: - May 2009