Statement of Advice
Detection and quantification of guayulins A and B in Parthenium argentatum (guayule) and F1 hybrids by high-performance liquid chromatography
high-performance liquid chromatography of chromenes and bezofurans from the genus Encelia (Asteraceae)
Flavonoids from the external leaf resins of four hemizonia species (asteraceae)
Methylated flavonoids from cistus ladanifer and cistuspalhinhae and their taxonomic implications
Systematic implications of chromenes and benzofurans from Encelia (asteraceae)
Epicuticular alkanes from desert plants of Baja California
Ecological significance of the chemistry of the leaf resin of elytropappus rhinocerotis
Distribution of chromenes and benzofurans in Encelia californica