Maybe Algaebase can help!

http://www.algaebase.org/

Algabase/Cyanobase/NCBI database may be helpful! 

Hello, 

Here are some interesting web links.

http://www.desmids.nl/   

http://dbmuseblade.colorado. edu/DiatomTwo/dscb_site/ glossary.html

http://craticula.ncl.ac.uk/ EADiatomKey/html/index.html

http://keys.lucidcentral.org/ keys/v3/diatoms/key/index/ Media/Html/about.htm 

https://westerndiatoms. colorado.edu/species 

http://www.algaebase.org/

http://cfb.unh.edu/phycokey/ Choices/Text_html/groups/ genera.htm 

All the Best for your project. 

Anila P Ajayan

 Check this:   Guiry and Guiry, 2016

Hello,

at the end of the following book you can find a key to the more frequently occurring algae

Hi. 

For cyanoprocariotes or blue-green algae, the following website is very useful:

http://www.cyanodb.cz/main

Greetings.