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  Flora of North America: North of Mexico - Flora of North America Editorial Committee - Google Books

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

  To be published in 14 volumes over the next 12 years, this long-awaited synoptic compendium represents the first and only comprehensive taxonomic guide to the extraordinary diversity of plant life blanketing our continent north of Mexico--including…

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  Heubl Group (LMU) - Andreas Fleischmann

  http://wayback.archive.org/web/20140525055721/http://www.sysbot.biologie.uni-muenchen.de/botsyst/heubl/fleischmann_en.html

  Keine Beschreibung vorhanden.

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