Reference

Kare Bremer, Birgitta Bremer & Mats Thulin:
    Classification of flowering plants

Internet address: http://www.systbot.uu.se/classification/classification.htm

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Type: WWW

BioLib citation format:

Bremer K, Bremer B., Thulin M.: Classification of flowering plants [http://www.systbot.uu.se/classification/...]