فریدون ترمه - Plant Pests & Diseases Research Institute, P. O. Box ۱۴۵۴, Tehran ۱۹۳۹۵, Iran

The family Gramineaee, due to its great number of species and worldwide distribution, is one of the large and well- known family in the plant kingdom. All the species in this family are homotypes and are found wherever plant growth is possible. At present, more than ۱۰,۰۰۰ species in ۶۲۰ genera belonging to ۶۰ tribes of this family are known from all over the world. In Iran, besides many research works which have been carried out so for, TERMEH (۱۹۸۷) while revising the family, introduced ۱۱۷ genera, ۴۰۶ species, ۱۰ subspecies and ۵۴ varieties for Iran. In addition, reference should also be made to the following taxa recorded from Iran: Bromus racemosus (ASSADI & WENDELBO ۱۹۷۷), Agropyron caninum (ASSADI ۱۹۸۳), Briza humilis (ASSADI ۱۹۸۴), Dactyloctenium aegipticeum (MOZAFFARIAN ۱۹۸۵), Glyceria caspica and Backmanici eruciformis (HAMZEHEE ۱۹۹۲), Dinebra retroflexa (MOZAFFARIAN ۱۹۹۴) and Poa golestanica (SCHOLZ & AKHANI ۱۹۹۹).

Gramineae, new records, geographical distribution, Iran