Forty one taxa of freshwater diatoms belonging to 15 different genera were recognized in a large pool on lateric soil near Guma Dam, (Western Area) Sierra Leone. Four of these are new records for Sierra Leone.
Freshwater algae from Sierra Leone: Diatoms from Guma Valley / Fumanti, Bruno; Ricci, S.; Alfinito, Silvia. - In: PROBLEMI ATTUALI DI SCIENZA E DI CULTURA. - ISSN 0369-8408. - STAMPA. - 265:(1990), pp. 22-43.