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Gloeotrichia (Cyanophyceae)

Gloeotrichia echinulata
Modified from an image posted by Dominique.

Gloeotrichia echinulata
Back-lit image of spherical colony posted at zoology.ubc.ca.shurin

Gloeotrichia echinulata
Modified from an image posted at lifesciences.napier.ac.uk

Gloeotrichia echinulata
A single trichome with the typical terminal heterocyst and subterminal elongate heterocyst
(Lake Morey, VT)

Gloeotrichia echinulata
Modified from an image by Ralf Wagner posted at dr-ralf-wagner.de

Gloeotrichia echinulata
Modified from image by Jason Oyadomari, Michigan Technical University, USA

Modified from image by Jason Oyadomari, Michigan Technical University, USA

Gloeotrichia echinulata -- Flattened colony reveals terminal heterocysts.
Photo by Jonathan Dufresne, University of New Hampshire, USA
Sample from Great East Lake, border of New Hampshire and Maine.

Gloeotrichia echinulata -- Flattened fragments of colonies
Photo by Jonathan Dufresne, University of New Hampshire, USA
Sample from Great East Lake, border of New Hampshire and Maine.

Gloeotrichia echinulata -- Front-lit colony
Photo by Jonathan Dufresne, University of New Hampshire, USA
Sample from Great East Lake, border of New Hampshire and Maine.

Gloeotrichia echinulata -- Front-lit colony, 28 June 2010
Photo by Jonathan Dufresne, University of New Hampshire, USA
Sample from Great East Lake, border of New Hampshire and Maine.

Gloeotrichia echinulata -- Front-lit colony, 28 June 2010
Photo by Jonathan Dufresne, University of New Hampshire, USA
Sample from Great East Lake, border of New Hampshire and Maine.

Gloeotrichia echinulata -- Front-lit colony, 28 June 2010
Photo by Jonathan Dufresne, University of New Hampshire, USA
Sample from Great East Lake, border of New Hampshire and Maine.

Gloeotrichia echinulata -- Front-lit colonies mixed with Daphnia epihippia, 28 June 2010. Orange colonies of Botryococcus are also present. Great East Lake, border of New Hampshire and Maine. Photo by Jonathan Dufresne, University of New Hampshire, USA

Gloeotrichia echinulata -- Front-lit colony, 28 June 2010
Photo by Jonathan Dufresne, University of New Hampshire, USA
Sample from Great East Lake, border of New Hampshire and Maine.

Gloeotrichia sp. illustrating increasingly narrow, elongate and hyaline distal cells
Photograph by Dr. Rolf Wagner posted online

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