A new species, Psephellusvanensis A.Duran, Behçet & B.Dogan (Asteraceae) from Anatolia, Turkey, is described and illustrated. The species grows on the serpentine stony field of the village of Çaldıran in the district of Başkale (Van province) in eastern Anatolia. It is morphologically similar to Psephelluspyrrhoblepharus (Boiss.) Wagenitz. Diagnostic characters are discussed, and a key to the m...

In this study, general information about obtaining Fibonacci and Lucas number sequences from the rabbit problem is given. Obtaining golden ratio phyllotaxis with numbers examined.The characteristics of plants belonging to same species are all over world. The 47 plant taxa cone spirals two pines Gymnospermae distributed in North East Anatolia were determined. 34 which investigated herbs 13 ones ...

Background and Aims: In this study, antimicrobial activities of extracts obtained from narrowly dispersed local endemic gypsophytes grown in extreme habitats were investigated for the first time. The aim study was to analyzed effects narrow plants that are Thymus ekimii Yildirimli, Verbascum gypsicola Vural & Aydogdu, Glaucium secmenii Yildirimli Psephellus erzincani Wagenitz Kandemir. Met...