1. The taxonomy, host range, and geographical distribution of the genus Pythium;Middleton;Memoirs of the Torrey Botanical Club,1943
2. Champignons aquatiques du Sahara Algérien: Pythium Pringsheim;Paul;Cryptogamie-Mycologie,1982
3. Aquatic fungi of Algeria: some species of Saprolegniaceae and Pythiaceae;Paul;Nova Hedwigia,1983
4. Aquatic fungi of Algeria: Achlya radiosa Maurizio;Paul;Hydrobiologia,1984
5. A new species of Pythium from Algerian waters;Paul,1985