A TAXONOMIC STUDY ON SOIL TAXA OF CYLINDROSPERMUM KÜTZING EX BORNET & FLAHAULT (NOSTOCACEAE) IN IRAN

Document Type : Research Paper

Authors

1 PhD Student/Faculty of Biosciences, Shahid Beheshti University, G. C. Tehran, Iran

2 Professor/Faculty of Biosciences, Shahid Beheshti University, G. C. Tehran, Iran

Abstract

In the study of the genus Cylindrospermum Kützing ex Bornet & Flahault (Nostocaceae) in terrestrial habitats, 18 specimens belonging to eight species were identified. Specimens were collected from 11 paddy field soils located in seven provinces of Iran. Five taxa, including Cylindrospermum sphaericum B. N. Prasad, Cylindrospermum catenatum (Ralfs) Bornet & Flahault, Cylindrospermum marchicum Lemmermann, Cylindrospermum minutissimum Collinsand Cylindrospermum muscicola Kützing ex Bornet & Flahault are considered as new records to Iran. An identification key, description and pictures of these species are presented in this study.

Keywords


Article Title [Persian]

مطالعه نمونه‌های خاکزی جنس Cylindrospermum Kützing ex Bornet & Flahault از تیره Nostocaceae در ایران

Authors [Persian]

  • زینب شریعتمداری 1
  • حسین ریاحی 2
1 دانشجوی دکتری/دانشکده علوم‌زیستی دانشگاه شهید‌بهشتی
2 استاد/دانشکده علوم‌زیستی دانشگاه شهید‌بهشتی
Abstract [Persian]

جهت بررسی نمونه­های خاکزی جنس Cylindrospermum Kützing ex Bornet & Flahault  از تیره Nostocaceae تاکسون­های موجود در خاک 11 ایستگاه از 7 استان دارای قابلیت کشت برنج کشور مورد مطالعه قرار گرفت. طی این تحقیق در مجمـوع 18 نمونه متعلق به هشت گونه از جنس Cylindrospermum  شناسایی شد. در میان گونه­های شناسایی شده پنج گونه زیر
 Cylindrospermum sphaericum B. N. Prasad, Cylindrospermum catenatum (Ralfs) Bornet & Flahault, Cylindrospermum marchicum Lemmermann, Cylindrospermum minutissimum Collins  و Cylindrospermum muscicola Kützing ex Bornet & Flahault برای نخستین بار از ایران گزارش می­شوند. همچنین کلید شناسایی، شرح و تصاویر گونه‌های شناسایی شده ارائه می­گردد.

Keywords [Persian]

  • Cylindrospermum
  • morphospecies
  • new record
  • geographical distribution
  • Iran
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