• 

  Virginia Tech Dendrology Fact Sheet

  http://www.dendro.cnre.vt.edu/dendrology/syllabus/factsheet.cfm?ID=28

  Keine Beschreibung vorhanden.

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  Loasaceae - Familial and Generic Classification

  http://www2.biologie.fu-berlin.de/sysbot/weigend/webclassification.html

  Keine Beschreibung vorhanden.

• 

  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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  Carlo Pagetti- Dick and Meta-SF

  http://www.depauw.edu/sfs/backissues/5/pagetti5art.htm

  Keine Beschreibung vorhanden.

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