Algae identification tools and resources

Last updated on May 9, 2023

Review these tools and resources to help you recognize and identify different types of algae.


Learn to Identify Cyanobacteria Blooms

The training video, Learn to Identify Cyanobacteria Blooms, identifies and describes different types of cyanobacteria and offers guidance on best management and safety practices involving harmful blooms.

  • Published March 2022 by the Interstate Technology & Regulatory Council with help from the Lake Champlain Basin Program
Visual Guide to Common Harmful Cyanobacteria

Visual Guide to Common Harmful Cyanobacteria

  • By the Interstate Technology & Regulatory Council
Algae identification - field guide : an illustrative field guide on identifying common algae found in the Canadian prairies

Algae Identification Field Guide: An Illustrative Field Guide on Identifying Common Algae Found in the Canadian Prairies

  • By Nancy Serediak and Mai-Linh Huynh
  • Agriculture and Agri-Food Canada, Agri-Environment Services Branch
Field guide to algae and other “scums” in ponds, lakes, streams and rivers

Field Guide to Algae and Other 'Scums' in Ponds, Lakes, Streams and Rivers (PDF)

  • By Miriam Steinitz Kannan and Nicole Lenca
  • Northern Kentucky University
Algae ID Guides / National Institute of Water and Atmospheric Research

Algae ID Guides

  • By the National Institute of Water and Atmospheric Research
Marine Algae Field Guide / Deception Pass Park Foundation.

Marine Algae Field Guide (PDF)

  • By the Deception Pass Park Foundation
Field and Laboratory Guide to Freshwater Cyanobacteria Harmful Algal Blooms for Native American and Alaska Native Communities / U.S. Geological Survey

Field and Laboratory Guide to Freshwater Cyanobacteria: Harmful Algal Blooms for Native American and Alaska Native Communities (PDF)

  • By the U.S. Geological Survey

 

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How to recognize common algal blooms

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Algal blooms photo gallery