بررسي مقايسه اي خاستار مورفولوژي و تشريحي در 6 گونه از خزه هاي منطقه شمال ايران

The comparative study of morphological and anatomical characters in six species of mosses from north of Iran

In this research , the structure of gametophyte of following 6 species of mosses were studied: Atrichum crispum (polytrichaceae) , Orthotrichum rupestre (Orthotrichaceae) , Schistidium martimum (Grimmiaceae), Tortula norvegica (pottiaceae), Funaria hygrometrica (Funariaceae) and Philonotis marchica (Bartramiaceae). In the gametophyte structure, shape of leaf, apex, margin, shape and structure of costa, shape of cells on the upper surface and also on cross section of the leaf were studied and compared with each other.