Establishment and Optimization of ISSR Reaction System for Valeriana officinalis L. var. latifolia Miq of Guizhou Province Study on the Reproductive Biological Characteristics of Valeriana officinalis L. var. latifolia Miq. Effects of various seed sources and different storage conditions on seed germination rate of Valeriana officinalis A new iridoid from Valeriana officinalis var. latiofolia Analysis of volatile oil of Valeriana officinalis and influence factors of its oil content Study on chemical constituents in roots and rhizomes of Valeriana officinalis Study on chemical constituents in roots and rhizomes of Valeriana officinalis