Yellow starthistle (Centaurea solstitialis L.) (YST) is an important invasive plant that infests millions of hectares in the western USA and Canada. Isolates of the exotic rust fungus Puccinia jaceae have been evaluated as a potential biological control for YST. The objectives of this study were to characterize isolates of P. jaceae by amplified fragment length polymorphic (AFLP) DNA analysis a...

The waterdistilled essential oil from dried aerial parts of one of the Algerian thymes, Thymus fontanesii Boiss. & Reut. grown in Setif province, Algeria, was analyzed by GC/MS. Fifteen components were characterized representing 99.4% of the total components detected. The major components of the oil were thymol (67.8%), gamma-terpinene (15.9%) and p-cymene (13.0%).

Salvia L. has a wide variety of traditional usages as digestive, appetizer, carminative, antiseptic, stimulant, pain reliever, antipyretic, diuretic, antitussive and for bronchitis, asthma cold. Anatomical features are extremely important the taxonomy species, especially leaf stem represent many specific characteristics. The aim this study is to determine distinctive anatomical structures S. au...

In Turkey, the genus Chrysophthalmum Sch.Bip. ex Walp. is represented by 3 taxa, namely montanum (DC.) Boiss., C. dichotomum Boiss. & Heldr. and gueneri Aytaç Anderb.. herbaceous plant that grows on rock cracks limestone cliffs, in eastern southeastern regions of Turkey. this study, pollen cypsela morphology species was investigated with light microscope (LM) scanning electron (SEM). Furthe...