权威例句
Are any primroses (Primula) primitively monomorphic?Heterostyly and homostyly in Primula obconicaIdentification of Primula fatty acid Δ 6 -desaturases with n -3 substrate preferences 1Genetic structure of the forest herb Primula elatior in a changing landscapeSurvival and Flowering of Perennial Herbs. III The Behaviour of Primula Veris on Permanent PlotsReduced reproductive success in small populations of the self-incompatible Primula vulgaris.Selection on floral display in insect-pollinated Primula farinosa: effects of vegetation height and litter accumulationPatch occupancy, population size and reproductive success of a forest herb (Primula elatior) in a fragmented landscapeThe Effects of Grassland Management on Plant Performance and Demography in the Perennial Herb Primula verisReduced fecundity and offspring performance in small populations of the declining grassland plants Primula veris and Gentiana lutea.