Hydrocharis dubia (Hydrocharitaceae), a new record for the flora of Iran, confirmed by nrDNA its sequence data

Document Type : Research Paper

Authors

Department of Plant and Animal Biology, Faculty of Biological Science and Technology, University of Isfahan, Iran

Abstract

A population of Hydrocharis dubia of Hydrocharitaceae was discovered as a new record from the Caspian Sea coast in Mazandaran province. Phylogenetic analyses of both maximum parsimony and the maximum likelihood of DNA sequence data from the internal transcribed spacer region evidently confirmed the occurrence of H. dubia in Iran. We speculate that the verification of H. dubia in Iran out of its up to now reported range represents a non-indigenous introduction presumably caused by migratory waterfowl visiting the province while facilitating long seed dispersal. Regular monitoring is recommended to be applied in order to follow up its establishment and adaptation in the area, to control it as a potential noxious weed.

Keywords


Article Title [Persian]

گزارش Hydrocharis dubia (Blume) Backer (Hydrocharitaceae) به عنوان رکورد گونه غیر بومی جدید، تأیید شده توسط داده‌های توالی nrDNA ITS برای فلور ایران

Authors [Persian]

  • مهسا عبدی
  • سعید افشارزاده
دانشجوی دکتری گروه زیست‌شناسی گیاهی و جانوری، دانشکده‌ی علوم و فن‌آوری‌های زیستی، دانشگاه اصفهان، اصفهان، ایران
Abstract [Persian]

جمعیتی از گونه‌ی Hydrocharis dubia متعلق به خانواده‌ی Hydrocharitaceae به عنوان رکورد جدیدی در سواحل دریای خزر در استان مازندران مشاهده شد. تحلیل‌های تبارشناختی با هر دو روش پارسیمونی بیشینه و شانس بیشینه داده‌های توالی DNA از نشانگر ITS هسته‌ای آشکارا حضور گونه‌ی H. dubia را در ایران با حمایت قوی تأیید نمود. H. dubia در ایران خارج از محدوده‌ی پراکنش کنونی خود گونه‌ای غیربومی است. تفسیر ما بر این است که پرندگان مهاجر آبزی که به استان مازندران مهاجرت می‌کنند، به احتمال بسیار سبب پراکنش دانه در مسافت‌های طولانی و ورود و استقرار این گونه در ایران شده‌اند. ردیابی منظم این گونه به دلیل دارا بودن پتانسیل تهاجمی در خارج از قلمرو طبیعی خود به منظور کنترل آن پیشنهاد می‌شود.

Keywords [Persian]

  • phylogenetic analysis
  • invasive
  • seed dispersal
  • Hydrocharis
  • Iran
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