Smithsonian contributions to botany · 1999 · 225 citations · 0 references
Life SciencesBotanyPlant BiologyComparative AnatomyCladisticsGeneric DelimitationHigher-level ClassificationMorphological SystematicsSpecies DescriptionType SpecimensAnatomical CharacterizationGeneric ClassificationGeneric PlacementParatype AnalysisTaxonomic Monographs
Generic and subtribal classification of American Vernonieae , Generic and subtribal classification of American Vernonieae , مرکز فناوری اطلاعات و اطلاع رسانی کشاورزی