TAXONOMIC STUDY OF SOME EPIPHYTIC DIATOMS ON AQUATIC PLANTS FROM AL-HAWIZAH MARSHES, SOUTHERN OF IRAQ

Sampling of epiphytic diatoms was collected from four species of host aquatic plants(Phragmites australis Trin ex., Typha domengensis Pers., Ceratophyllum demersum L. and Potamogeton pectinatus L.), from restored marshes in Al- Hawizah, southern Iraq. Total number of (29) epiphytic diatoms of seventeen genera, twenty-nine species and, eight varieties belonging to eight families of classBacillariophyceae were recorded. The present study recorded Synedra ulna var. oxyrhynchus f. contracta as new record to Iraq algal flora.