Five new synonyms in Chinese Epimedium are designated in the present paper. Epimediumchlorandrum is treated as a synonym of Epimediumacuminatum; Epimediumrhizomatosum as a synonym of Epimediummembranaceum; Epimediumbrachyrrhizum as a synonym of Epimediumleptorrhizum; Epimediumdewuense as a synonym of Epimediumdolichostemon; and Epimediumsagittatumvar.oblongifoliolatum as a synonym of Epimediumb...

In a project on the Flora of Iran (Trib.: Ranunculeae), many herbarium specimens of thegenus Ranunculus were studied. The results of this study are a new record and suggestion of a synonym for the Flora of Iran, specimens of which are preserved in the herbarium of Research Institute of Forest & Rangelands (TARI). 

The authors propose a new synonym between Collaria scenica (senior synonym) and Collaria columbiensis (junior synonym) based on external morphology and genitalia characteristics of male and female adults of both species. There was no significant difference found to believe that they are two different species.

The genus Sterigmostemum M. Bieb. belongs to the tribe Hesperideae of the Brassicaceae family. The results of this research confirmed the recognition of five species in Iran: S.incanum, S. sulphureum,  S. ramosissimum,  S. acanthocarpum  and S. longistylum. S. laevicaule is excluded from the genus Sterigmostemum and is regarded as a synonym of Erysimum crassicaule. The new combination, namely, ...