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  Natural History of the Phlox Family: Systematic Botany - Verne Grant - Google Books

  https://books.google.de/books?id=ClIBCAAAQBAJ

  Keine Beschreibung vorhanden.

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  Flowering Plants. Eudicots: Asterales - Google Books

  https://books.google.de/books?id=VhUZnM8S47IC

  This volume contains a complete systematic treatment of the flowering plant order Asterales. This comprises 12 families with approx. 1,720 genera and about 26,300 species. Identification keys are provided for all genera, and likely phylogenetic…

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