Floristic study of plant species (Ruderal and segetal) in Bushehr city

Ruderal and Segetal species of some biotops inside of Bushehr city were studied regarding to studies of urban ecology between 2008-2009. This study was performed for the first time, a total of 111 wild plant species, belonging to 39 families and 99 genera were collected and identified.Family grasses (Poaceae) with about 19% more plant species in comparison with other families was collected. Asteraceae family (Asteraceae) with 13.5 % and the beet family (Chenopodiaceae), with 8%, respectively, are lower ranked. Most of the life form of species observed Therophytes related species, with 63%, hemicryptophytes, with 19%, phanaerophytes, with 9%, geophytes with 5.4 % and finally chamaephytes with 3.6 % is in the second semester are. Comparing the average number of species available in selected Biotops show: the environment with less in ference of humans, have the highest species diversity. hemeroby limits set under study for degrees, temporarily, between H3 (mesohemerob) to H6 (Polyhemerob) are presented.