Flowering Plants. Monocotyledons: Alismatanae and Commelinanae (except ... - Google Books

https://books.google.de/books?id=bNQDsSmx2roC

When Rolf Dahlgren and I embarked on preparing this book series, Rolf took prime responsibility for monocotyledons, which had interested him for a long time. After finishing his comparative study and family classification of the monocots, he devoted much…