نتایج جستجو برای: pteris vittata

تعداد نتایج: 572  

Journal: :Lankesteriana International Journal on Orchidology 2021

Trisetella pachycaudata, a new species in the subtribe Pleurothallidinae, was discovered Zamora Chinchipe province of southeast Ecuador, and it is described here. pachycaudata compared with most similar (and others which has been confused cultivation), T. triglochin, strumosa, vittata. It differs from them flowers much thicker apex sepaline tails (the thickest genus), petals expanded at labella...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

چکیده در این پژوهش منشاء خزندگان را مورد بررسی قرار داده، خانواده های سوسماران را در ایران معرفی نموده و ویژگی های آنها را ذکر کرده ایم، علاوه بر این نکات، اهمیت تغییرات در وضعیت سیستماتیک mabuya (sensu lato) را بررسی کردیم. خانواده scincidae را از نظر فیلوژنی، رده بندی و همچنین جنس های آن را، مرور کرده ایم. جنس trachylepis fitzinger, 1843 که هدف اصلی پژوهش حاضر است در ایران دارای سه گونه می ب...

Journal: :The Science of the total environment 2002
Weihua Zhang Yong Cai Cong Tu Lena Q Ma

Arsenic-contaminated soil is one of the major arsenic sources for drinking water. Phytoremediation, an emerging, plant-based technology for the removal of toxic contaminants from soil and water, has been receiving renewed attention. Although a number of plants have been identified as hyperaccumulators for the phytoextraction of a variety of metals, and some have been used in field applications,...

2011
David H. Lorence Warren L. Wagner Kenneth R. Wood Alan R. Smith

Intensive botanical exploration of the Marquesas Islands (French Polynesia) for the Vascular Flora of the Marquesas Islands and Flore de la Polynésie française projects has resulted in numerous additional new collections from these islands. Study of these collections has brought to light 11 new species of pteridophytes (ferns and lycophytes) which are described herein: Blechnum pacificum Lorenc...

2016
Jonathan W. Armbruster Nathan K. Lujan

A new species of the suckermouth armored catfish genus Peckoltia is described from the lower Ventuari River, a tributary of the upper Orinoco River in Amazonas State, Venezuela. Specimens of this species were formerly included in the wide-ranging Amazonian species Peckoltia vittata, but a recent molecular phylogeny found Orinoco individuals to be distantly related to Amazon Basin individuals sp...

Journal: :Journal of Crustacean Biology 2022

Abstract Peppermint shrimp resembling Lysmata vittataStimpson, 1860, a species native to the Indo-West Pacific, were found in lower Chesapeake Bay and adjacent coastal embayments 2013, representing first recorded introduction of this northwestern Atlantic. Conflicting morphological descriptions, inconsistent terminology, limited molecular data (i.e., unresolved taxonomy), as well destruction ty...

Journal: :Botanical Gazette 1900

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید