مجید اسکندری

[ 1 ] - گونه Syntrichia sinensis (Müll. Hal.) Ochyra، گزارش جدیدی از تیره Pottiaceae برای فلور خزه‌ای ایران

براساس اجرای طرح کلی جمع‌آوری و شناسایی خزه‌ها در ایران، اخیرا یک گونه از جنس Syntrichia به نامS. sinensis (Müll. Hal.) Ochyra متعلق به تیره Pottiaceae در استان آذربایجان غربی یافت شد که گزارش‌ جدید برای فلور خزه‌ای کشور محسوب می‌شود. تیره مذکور با گسترش جهانی شامل 77 جنس و نزدیک به 1450 گونه است که صفت مشخصه زیستگاه‌های سخت محسوب می‌شود. تصاویر، شرح مورفولوژیکی، پراکنش جغرافیایی، محل دقیق جمع‌...

[ 2 ] - A study of threatened species of ferns in Gilan province (N Iran) providing a comparison of protective classification of conservation based on IUCN's factors

During an investigation on pteridophytes (ferns) of Guilan province (N Iran), 402 specimens were studied. Of these, 44 species, under 21 genera, belonging to 13 families, were identified. Based on the approved instruction given by the "International Union for the Conservation of Nature and Natural Resources (IUCN)", after performing the filtering stage, 17 species were identified as endangered...

[ 3 ] - FERNS AND FERN ALLIES OF IRAN

The pteridophyte account of Flora Iranica (ed. K.H. Rechinger) is still not published. The Caspian forests provide suitable habitats for the growth of many ferns and fern allies in Iran. In semi-arid and mountainous areas of Iran, mesophilous plants are restricted to rock crevices, waterfall proximity, stream banks and lake shores. Based on field collections and study of herbarium specimens in ...

[ 4 ] - COUSINIA PAPILLOSA, A NEW SPECIES FROM EASTERN IRAN, INCLUDING CHROMOSOME COUNT AND PALYNOLOGICAL STUDIES

Cousinia papillosa (Asteraceae) from eastern Iran is described and illustrated as a new species. Differences between the new species and its closest relative, C. meshhedensis, are discussed. A map showing the distribution of the two species is given. The scanning electron micrography of the pollen grains shows obvious differences between the two species especially in the sculpturing of exine. T...

[ 5 ] - Anredera cordifolia (Basellaceae), a new invasive plant for Iran

Anredera cordifolia (Ten.) Steenis, commonly known as the Madeira-vine belongs to the small family Basellaceae is reported as an invasive weed in the gardens and forests of the north of Iran (Fig. 1). Characteristic features of the said plants are as follows: Plant perennial, evergreen, climbing vine or liana that grows from fleshy rhizomes. Stems slender, climbing, up to 3–6 m in height in a s...