167,923 species and infraspecific names are in the database, 22,997 images, 65,082 bibliographic items, 513,722 distributional records.

Image Search

Warning: Image copyright

The images on this site remain the property of the copyright owners or photgraphers who give permission for non-commercial use for teaching purposes in lectures and for presentations and posters only, provided their copyright and the source is acknowledged on each image and the "AlgaeBase" embossing is not removed or the image cropped, but are not free for publication in any format or manner, particularly not on Facebook.com or on Youtube.com or any internet site without permission from the copyright owners, whose e-mails should be given for each image. 

Commerical use of images copyrighted by M.D. Guiry

In the case of these pictures for which M.D. Guiry is the copyright owner, larger formats are generally available for commercial use: 2-10 Mb for jpegs; 5-28 Mb for tiffs; most recent images are more than 3000 x 2000 pixels wide, and at 300 dpi or better.

I am willing to quote for your use of my copyrighted images: send me a description of how you are going to use my material and I will quote a price by return; there is, however, a minimum charge of EUR50 for each transaction, so please do not contact me if you are unwilling to accept this charge.

Other photographers' prices are available directly from them, and please do not contact me in relation to these images as I do not have the resources to mediate. Unfortunately, I can no longer provide images free, so please do not ask as I will not respond.

All payments received for images are used entirely to support the site. Payment must be in Euros, preferably to a PayPal account.

Please cite the image reference number (e.g. "Image Ref. 8987") on each image if you wish to ask for an image. This can be obtained by clicking on the image and the pop-up includes the image reference number.

Michael D. Guiry (mike.guiry@nuigalway.ie)

You can search using this form for a choice of pictures. Search for a genus name or a binomial, such as "Ralfsia" or "Ralfsia verrucosa". All pictures are initially loaded as thumbnails, and click on the thumbnails to get larger versions which are suitable for use in lectures and presentations.

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